---
arch/arm/include/asm/mach/arch.h | 4 +-
arch/arm/include/asm/memblock.h | 3 +-
arch/arm/include/asm/setup.h | 23 ------
arch/arm/kernel/atags_parse.c | 5 +-
arch/arm/kernel/devtree.c | 5 --
arch/arm/kernel/setup.c | 30 ++------
arch/arm/mach-clps711x/board-clep7312.c | 7 +-
arch/arm/mach-clps711x/board-edb7211.c | 10 +--
arch/arm/mach-clps711x/board-p720t.c | 2 +-
arch/arm/mach-footbridge/cats-hw.c | 2 +-
arch/arm/mach-footbridge/netwinder-hw.c | 2 +-
arch/arm/mach-msm/board-halibut.c | 6 --
arch/arm/mach-msm/board-mahimahi.c | 13 +---
arch/arm/mach-msm/board-msm7x30.c | 3 +-
arch/arm/mach-msm/board-sapphire.c | 13 ++--
arch/arm/mach-msm/board-trout.c | 8 +--
arch/arm/mach-orion5x/common.c | 3 +-
arch/arm/mach-orion5x/common.h | 3 +-
arch/arm/mach-pxa/cm-x300.c | 3 +-
arch/arm/mach-pxa/corgi.c | 10 +--
arch/arm/mach-pxa/eseries.c | 9 +--
arch/arm/mach-pxa/poodle.c | 8 +--
arch/arm/mach-pxa/spitz.c | 8 +--
arch/arm/mach-pxa/tosa.c | 8 +--
arch/arm/mach-realview/core.c | 11 +--
arch/arm/mach-realview/core.h | 3 +-
arch/arm/mach-realview/realview_pb1176.c | 8 +--
arch/arm/mach-realview/realview_pbx.c | 17 ++---
arch/arm/mach-s3c24xx/mach-smdk2413.c | 8 +--
arch/arm/mach-s3c24xx/mach-vstms.c | 8 +--
arch/arm/mach-sa1100/assabet.c | 2 +-
arch/arm/mm/init.c | 67 +++++++-----------
arch/arm/mm/mmu.c | 115 +++++++++---------------------
33 files changed, 136 insertions(+), 291 deletions(-)
diff --git a/arch/arm/include/asm/mach/arch.h b/arch/arm/include/asm/mach/arch.h
index 17a3fa2..c43473a 100644
--- a/arch/arm/include/asm/mach/arch.h
+++ b/arch/arm/include/asm/mach/arch.h
@@ -14,7 +14,6 @@
#include <linux/reboot.h>
struct tag;
-struct meminfo;
struct pt_regs;
struct smp_operations;
#ifdef CONFIG_SMP
@@ -47,8 +46,7 @@ struct machine_desc {
enum reboot_mode reboot_mode; /* default restart mode */
struct smp_operations *smp; /* SMP operations */
bool (*smp_init)(void);
- void (*fixup)(struct tag *, char **,
- struct meminfo *);
+ void (*fixup)(struct tag *, char **);
void (*init_meminfo)(void);
void (*reserve)(void);/* reserve mem blocks */
void (*map_io)(void);/* IO mapping function */
diff --git a/arch/arm/include/asm/memblock.h b/arch/arm/include/asm/memblock.h
index c2f5102..bf47a6c 100644
--- a/arch/arm/include/asm/memblock.h
+++ b/arch/arm/include/asm/memblock.h
@@ -1,10 +1,9 @@
#ifndef _ASM_ARM_MEMBLOCK_H
#define _ASM_ARM_MEMBLOCK_H
-struct meminfo;
struct machine_desc;
-void arm_memblock_init(struct meminfo *, const struct machine_desc *);
+void arm_memblock_init(const struct machine_desc *);
phys_addr_t arm_memblock_steal(phys_addr_t size, phys_addr_t align);
#endif
diff --git a/arch/arm/include/asm/setup.h b/arch/arm/include/asm/setup.h
index 8d6a089..0196091 100644
--- a/arch/arm/include/asm/setup.h
+++ b/arch/arm/include/asm/setup.h
@@ -26,29 +26,6 @@ static const struct tagtable __tagtable_##fn __tag = { tag, fn }
*/
#define NR_BANKS CONFIG_ARM_NR_BANKS
-struct membank {
- phys_addr_t start;
- phys_addr_t size;
- unsigned int highmem;
-};
-
-struct meminfo {
- int nr_banks;
- struct membank bank[NR_BANKS];
-};
-
-extern struct meminfo meminfo;
-
-#define for_each_bank(iter,mi) \
- for (iter = 0; iter < (mi)->nr_banks; iter++)
-
-#define bank_pfn_start(bank) __phys_to_pfn((bank)->start)
-#define bank_pfn_end(bank) __phys_to_pfn((bank)->start + (bank)->size)
-#define bank_pfn_size(bank) ((bank)->size >> PAGE_SHIFT)
-#define bank_phys_start(bank) (bank)->start
-#define bank_phys_end(bank) ((bank)->start + (bank)->size)
-#define bank_phys_size(bank) (bank)->size
-
extern int arm_add_memory(u64 start, u64 size);
extern void early_print(const char *str, ...);
extern void dump_machine_table(void);
diff --git a/arch/arm/kernel/atags_parse.c b/arch/arm/kernel/atags_parse.c
index 8c14de8..7807ef5 100644
--- a/arch/arm/kernel/atags_parse.c
+++ b/arch/arm/kernel/atags_parse.c
@@ -22,6 +22,7 @@
#include <linux/fs.h>
#include <linux/root_dev.h>
#include <linux/screen_info.h>
+#include <linux/memblock.h>
#include <asm/setup.h>
#include <asm/system_info.h>
@@ -222,10 +223,10 @@ setup_machine_tags(phys_addr_t __atags_pointer, unsigned int machine_nr)
}
if (mdesc->fixup)
- mdesc->fixup(tags, &from, &meminfo);
+ mdesc->fixup(tags, &from);
if (tags->hdr.tag == ATAG_CORE) {
- if (meminfo.nr_banks != 0)
+ if (memblock_phys_mem_size())
squash_mem_tags(tags);
save_atags(tags);
parse_tags(tags);
diff --git a/arch/arm/kernel/devtree.c b/arch/arm/kernel/devtree.c
index f751714..398cd5f 100644
--- a/arch/arm/kernel/devtree.c
+++ b/arch/arm/kernel/devtree.c
@@ -26,11 +26,6 @@
#include <asm/mach/arch.h>
#include <asm/mach-types.h>
-void __init early_init_dt_add_memory_arch(u64 base, u64 size)
-{
- arm_add_memory(base, size);
-}
-
void * __init early_init_dt_alloc_memory_arch(u64 size, u64 align)
{
return memblock_virt_alloc(size, align);
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 1e8b030..7dd83d0 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -625,15 +625,8 @@ void __init dump_machine_table(void)
int __init arm_add_memory(u64 start, u64 size)
{
- struct membank *bank = &meminfo.bank[meminfo.nr_banks];
u64 aligned_start;
- if (meminfo.nr_banks >= NR_BANKS) {
- pr_crit("NR_BANKS too low, ignoring memory at 0x%08llx\n",
- (long long)start);
- return -EINVAL;
- }
-
/*
* Ensure that start/size are aligned to a page boundary.
* Size is appropriately rounded down, start is rounded up.
@@ -674,17 +667,17 @@ int __init arm_add_memory(u64 start, u64 size)
aligned_start = PHYS_OFFSET;
}
- bank->start = aligned_start;
- bank->size = size & ~(phys_addr_t)(PAGE_SIZE - 1);
+ start = aligned_start;
+ size = size & ~(phys_addr_t)(PAGE_SIZE - 1);
/*
* Check whether this memory region has non-zero size or
* invalid node number.
*/
- if (bank->size == 0)
+ if (size == 0)
return -EINVAL;
- meminfo.nr_banks++;
+ memblock_add(start, size);
return 0;
}
@@ -692,6 +685,7 @@ int __init arm_add_memory(u64 start, u64 size)
* Pick out the memory size. We look for mem=size@start,
* where start and size are "size[KkMm]"
*/
+
static int __init early_mem(char *p)
{
static int usermem __initdata = 0;
@@ -706,7 +700,8 @@ static int __init early_mem(char *p)
*/
if (usermem == 0) {
usermem = 1;
- meminfo.nr_banks = 0;
+ memblock_remove(memblock_start_of_DRAM(),
+ memblock_end_of_DRAM() - memblock_start_of_DRAM());
}
start = PHYS_OFFSET;
@@ -851,13 +846,6 @@ static void __init reserve_crashkernel(void)
static inline void reserve_crashkernel(void) {}
#endif /* CONFIG_KEXEC */
-static int __init meminfo_cmp(const void *_a, const void *_b)
-{
- const struct membank *a = _a, *b = _b;
- long cmp = bank_pfn_start(a) - bank_pfn_start(b);
- return cmp < 0 ? -1 : cmp > 0 ? 1 : 0;
-}
-
void __init hyp_mode_check(void)
{
#ifdef CONFIG_ARM_VIRT_EXT
@@ -900,12 +888,10 @@ void __init setup_arch(char **cmdline_p)
parse_early_param();
- sort(&meminfo.bank, meminfo.nr_banks, sizeof(meminfo.bank[0]), meminfo_cmp, NULL);
-
early_paging_init(mdesc, lookup_processor_type(read_cpuid_id()));
setup_dma_zone(mdesc);
sanity_check_meminfo();
- arm_memblock_init(&meminfo, mdesc);
+ arm_memblock_init(mdesc);
paging_init(mdesc);
request_standard_resources(mdesc);
diff --git a/arch/arm/mach-clps711x/board-clep7312.c b/arch/arm/mach-clps711x/board-clep7312.c
index b476424..4d04b91 100644
--- a/arch/arm/mach-clps711x/board-clep7312.c
+++ b/arch/arm/mach-clps711x/board-clep7312.c
@@ -18,6 +18,7 @@
#include <linux/init.h>
#include <linux/types.h>
#include <linux/string.h>
+#include <linux/memblock.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
@@ -26,11 +27,9 @@
#include "common.h"
static void __init
-fixup_clep7312(struct tag *tags, char **cmdline, struct meminfo *mi)
+fixup_clep7312(struct tag *tags, char **cmdline)
{
- mi->nr_banks=1;
- mi->bank[0].start = 0xc0000000;
- mi->bank[0].size = 0x01000000;
+ memblock_add(0xc0000000, 0x01000000);
}
MACHINE_START(CLEP7212, "Cirrus Logic 7212/7312")
diff --git a/arch/arm/mach-clps711x/board-edb7211.c b/arch/arm/mach-clps711x/board-edb7211.c
index fe6184e..b617aa2 100644
--- a/arch/arm/mach-clps711x/board-edb7211.c
+++ b/arch/arm/mach-clps711x/board-edb7211.c
@@ -16,6 +16,7 @@
#include <linux/interrupt.h>
#include <linux/backlight.h>
#include <linux/platform_device.h>
+#include <linux/memblock.h>
#include <linux/mtd/physmap.h>
#include <linux/mtd/partitions.h>
@@ -133,7 +134,7 @@ static void __init edb7211_reserve(void)
}
static void __init
-fixup_edb7211(struct tag *tags, char **cmdline, struct meminfo *mi)
+fixup_edb7211(struct tag *tags, char **cmdline)
{
/*
* Bank start addresses are not present in the information
@@ -143,11 +144,8 @@ fixup_edb7211(struct tag *tags, char **cmdline, struct meminfo *mi)
* Banks sizes _are_ present in the param block, but we're
* not using that information yet.
*/
- mi->bank[0].start = 0xc0000000;
- mi->bank[0].size = SZ_8M;
- mi->bank[1].start = 0xc1000000;
- mi->bank[1].size = SZ_8M;
- mi->nr_banks = 2;
+ memblock_add(0xc0000000, SZ_8M);
+ memblock_add(0xc1000000, SZ_8M);
}
static void __init edb7211_init(void)
diff --git a/arch/arm/mach-clps711x/board-p720t.c b/arch/arm/mach-clps711x/board-p720t.c
index dd81b06..c1c6729 100644
--- a/arch/arm/mach-clps711x/board-p720t.c
+++ b/arch/arm/mach-clps711x/board-p720t.c
@@ -295,7 +295,7 @@ static struct generic_bl_info p720t_lcd_backlight_pdata = {
};
static void __init
-fixup_p720t(struct tag *tag, char **cmdline, struct meminfo *mi)
+fixup_p720t(struct tag *tag, char **cmdline)
{
/*
* Our bootloader doesn't setup any tags (yet).
diff --git a/arch/arm/mach-footbridge/cats-hw.c b/arch/arm/mach-footbridge/cats-hw.c
index 9669cc0..de86ab6 100644
--- a/arch/arm/mach-footbridge/cats-hw.c
+++ b/arch/arm/mach-footbridge/cats-hw.c
@@ -76,7 +76,7 @@ __initcall(cats_hw_init);
* hard reboots fail on early boards.
*/
static void __init
-fixup_cats(struct tag *tags, char **cmdline, struct meminfo *mi)
+fixup_cats(struct tag *tags, char **cmdline)
{
screen_info.orig_video_lines = 25;
screen_info.orig_video_points = 16;
diff --git a/arch/arm/mach-footbridge/netwinder-hw.c b/arch/arm/mach-footbridge/netwinder-hw.c
index eb1fa5c..cdee08c 100644
--- a/arch/arm/mach-footbridge/netwinder-hw.c
+++ b/arch/arm/mach-footbridge/netwinder-hw.c
@@ -620,7 +620,7 @@ __initcall(nw_hw_init);
* the parameter page.
*/
static void __init
-fixup_netwinder(struct tag *tags, char **cmdline, struct meminfo *mi)
+fixup_netwinder(struct tag *tags, char **cmdline)
{
#ifdef CONFIG_ISAPNP
extern int isapnp_disable;
diff --git a/arch/arm/mach-msm/board-halibut.c b/arch/arm/mach-msm/board-halibut.c
index a775298..61bfe58 100644
--- a/arch/arm/mach-msm/board-halibut.c
+++ b/arch/arm/mach-msm/board-halibut.c
@@ -83,11 +83,6 @@ static void __init halibut_init(void)
platform_add_devices(devices, ARRAY_SIZE(devices));
}
-static void __init halibut_fixup(struct tag *tags, char **cmdline,
- struct meminfo *mi)
-{
-}
-
static void __init halibut_map_io(void)
{
msm_map_common_io();
@@ -100,7 +95,6 @@ static void __init halibut_init_late(void)
MACHINE_START(HALIBUT, "Halibut Board (QCT SURF7200A)")
.atag_offset = 0x100,
- .fixup = halibut_fixup,
.map_io = halibut_map_io,
.init_early = halibut_init_early,
.init_irq = halibut_init_irq,
diff --git a/arch/arm/mach-msm/board-mahimahi.c b/arch/arm/mach-msm/board-mahimahi.c
index 7d9981c..873c3ca 100644
--- a/arch/arm/mach-msm/board-mahimahi.c
+++ b/arch/arm/mach-msm/board-mahimahi.c
@@ -22,6 +22,7 @@
#include <linux/io.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
+#include <linux/memblock.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@@ -52,16 +53,10 @@ static void __init mahimahi_init(void)
platform_add_devices(devices, ARRAY_SIZE(devices));
}
-static void __init mahimahi_fixup(struct tag *tags, char **cmdline,
- struct meminfo *mi)
+static void __init mahimahi_fixup(struct tag *tags, char **cmdline)
{
- mi->nr_banks = 2;
- mi->bank[0].start = PHYS_OFFSET;
- mi->bank[0].node = PHYS_TO_NID(PHYS_OFFSET);
- mi->bank[0].size = (219*1024*1024);
- mi->bank[1].start = MSM_HIGHMEM_BASE;
- mi->bank[1].node = PHYS_TO_NID(MSM_HIGHMEM_BASE);
- mi->bank[1].size = MSM_HIGHMEM_SIZE;
+ memblock_add(PHYS_OFFSET, 219*SZ_1M);
+ memblock_add(MSM_HIGHMEM_BASE, MSM_HIGHMEM_SIZE);
}
static void __init mahimahi_map_io(void)
diff --git a/arch/arm/mach-msm/board-msm7x30.c b/arch/arm/mach-msm/board-msm7x30.c
index 46de789..b621b23 100644
--- a/arch/arm/mach-msm/board-msm7x30.c
+++ b/arch/arm/mach-msm/board-msm7x30.c
@@ -40,8 +40,7 @@
#include "proc_comm.h"
#include "common.h"
-static void __init msm7x30_fixup(struct tag *tag, char **cmdline,
- struct meminfo *mi)
+static void __init msm7x30_fixup(struct tag *tag, char **cmdline)
{
for (; tag->hdr.size; tag = tag_next(tag))
if (tag->hdr.tag == ATAG_MEM && tag->u.mem.start == 0x200000) {
diff --git a/arch/arm/mach-msm/board-sapphire.c b/arch/arm/mach-msm/board-sapphire.c
index 3276051..e509679 100644
--- a/arch/arm/mach-msm/board-sapphire.c
+++ b/arch/arm/mach-msm/board-sapphire.c
@@ -35,6 +35,7 @@
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
+#include <linux/memblock.h>
#include "gpio_chip.h"
#include "board-sapphire.h"
@@ -74,22 +75,18 @@ static struct map_desc sapphire_io_desc[] __initdata = {
}
};
-static void __init sapphire_fixup(struct tag *tags, char **cmdline,
- struct meminfo *mi)
+static void __init sapphire_fixup(struct tag *tags, char **cmdline)
{
int smi_sz = parse_tag_smi((const struct tag *)tags);
- mi->nr_banks = 1;
- mi->bank[0].start = PHYS_OFFSET;
- mi->bank[0].node = PHYS_TO_NID(PHYS_OFFSET);
if (smi_sz == 32) {
- mi->bank[0].size = (84*1024*1024);
+ memblock_add(PHYS_OFFSET, 84*SZ_1M);
} else if (smi_sz == 64) {
- mi->bank[0].size = (101*1024*1024);
+ memblock_add(PHYS_OFFSET, 101*SZ_1M);
} else {
+ memblock_add(PHYS_OFFSET, 101*SZ_1M);
/* Give a default value when not get smi size */
smi_sz = 64;
- mi->bank[0].size = (101*1024*1024);
}
}
diff --git a/arch/arm/mach-msm/board-trout.c b/arch/arm/mach-msm/board-trout.c
index 015d544..58826cf 100644
--- a/arch/arm/mach-msm/board-trout.c
+++ b/arch/arm/mach-msm/board-trout.c
@@ -19,6 +19,7 @@
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/clkdev.h>
+#include <linux/memblock.h>
#include <asm/system_info.h>
#include <asm/mach-types.h>
@@ -55,12 +56,9 @@ static void __init trout_init_irq(void)
msm_init_irq();
}
-static void __init trout_fixup(struct tag *tags, char **cmdline,
- struct meminfo *mi)
+static void __init trout_fixup(struct tag *tags, char **cmdline)
{
- mi->nr_banks = 1;
- mi->bank[0].start = PHYS_OFFSET;
- mi->bank[0].size = (101*1024*1024);
+ memblock_add(PHYS_OFFSET, 101*SZ_1M);
}
static void __init trout_init(void)
diff --git a/arch/arm/mach-orion5x/common.c b/arch/arm/mach-orion5x/common.c
index 3f1de11..6bbb7b5 100644
--- a/arch/arm/mach-orion5x/common.c
+++ b/arch/arm/mach-orion5x/common.c
@@ -365,8 +365,7 @@ void orion5x_restart(enum reboot_mode mode, const char *cmd)
* Many orion-based systems have buggy bootloader implementations.
* This is a common fixup for bogus memory tags.
*/
-void __init tag_fixup_mem32(struct tag *t, char **from,
- struct meminfo *meminfo)
+void __init tag_fixup_mem32(struct tag *t, char **from)
{
for (; t->hdr.size; t = tag_next(t))
if (t->hdr.tag == ATAG_MEM &&
diff --git a/arch/arm/mach-orion5x/common.h b/arch/arm/mach-orion5x/common.h
index f565f99..175ec4c 100644
--- a/arch/arm/mach-orion5x/common.h
+++ b/arch/arm/mach-orion5x/common.h
@@ -71,9 +71,8 @@ void edmini_v2_init(void);
static inline void edmini_v2_init(void) {};
#endif
-struct meminfo;
struct tag;
-extern void __init tag_fixup_mem32(struct tag *, char **, struct meminfo *);
+extern void __init tag_fixup_mem32(struct tag *, char **);
/*****************************************************************************
* Helpers to access Orion registers
diff --git a/arch/arm/mach-pxa/cm-x300.c b/arch/arm/mach-pxa/cm-x300.c
index 584439bf..4d3588d 100644
--- a/arch/arm/mach-pxa/cm-x300.c
+++ b/arch/arm/mach-pxa/cm-x300.c
@@ -837,8 +837,7 @@ static void __init cm_x300_init(void)
cm_x300_init_bl();
}
-static void __init cm_x300_fixup(struct tag *tags, char **cmdline,
- struct meminfo *mi)
+static void __init cm_x300_fixup(struct tag *tags, char **cmdline)
{
/* Make sure that mi->bank[0].start = PHYS_ADDR */
for (; tags->hdr.size; tags = tag_next(tags))
diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c
index f162f1b..a763744 100644
--- a/arch/arm/mach-pxa/corgi.c
+++ b/arch/arm/mach-pxa/corgi.c
@@ -33,6 +33,7 @@
#include <linux/mtd/sharpsl.h>
#include <linux/input/matrix_keypad.h>
#include <linux/module.h>
+#include <linux/memblock.h>
#include <video/w100fb.h>
#include <asm/setup.h>
@@ -713,16 +714,13 @@ static void __init corgi_init(void)
platform_add_devices(devices, ARRAY_SIZE(devices));
}
-static void __init fixup_corgi(struct tag *tags, char **cmdline,
- struct meminfo *mi)
+static void __init fixup_corgi(struct tag *tags, char **cmdline)
{
sharpsl_save_param();
- mi->nr_banks=1;
- mi->bank[0].start = 0xa0000000;
if (machine_is_corgi())
- mi->bank[0].size = (32*1024*1024);
+ memblock_add(0xa0000000, SZ_32M);
else
- mi->bank[0].size = (64*1024*1024);
+ memblock_add(0xa0000000, SZ_64M);
}
#ifdef CONFIG_MACH_CORGI
diff --git a/arch/arm/mach-pxa/eseries.c b/arch/arm/mach-pxa/eseries.c
index 8280ebca..cfb8641 100644
--- a/arch/arm/mach-pxa/eseries.c
+++ b/arch/arm/mach-pxa/eseries.c
@@ -21,6 +21,7 @@
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
#include <linux/usb/gpio_vbus.h>
+#include <linux/memblock.h>
#include <video/w100fb.h>
@@ -41,14 +42,12 @@
#include "clock.h"
/* Only e800 has 128MB RAM */
-void __init eseries_fixup(struct tag *tags, char **cmdline, struct meminfo *mi)
+void __init eseries_fixup(struct tag *tags, char **cmdline)
{
- mi->nr_banks=1;
- mi->bank[0].start = 0xa0000000;
if (machine_is_e800())
- mi->bank[0].size = (128*1024*1024);
+ memblock_add(0xa0000000, SZ_128M);
else
- mi->bank[0].size = (64*1024*1024);
+ memblock_add(0xa0000000, SZ_64M);
}
struct gpio_vbus_mach_info e7xx_udc_info = {
diff --git a/arch/arm/mach-pxa/poodle.c b/arch/arm/mach-pxa/poodle.c
index aedf053..1319916 100644
--- a/arch/arm/mach-pxa/poodle.c
+++ b/arch/arm/mach-pxa/poodle.c
@@ -29,6 +29,7 @@
#include <linux/spi/ads7846.h>
#include <linux/spi/pxa2xx_spi.h>
#include <linux/mtd/sharpsl.h>
+#include <linux/memblock.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
@@ -456,13 +457,10 @@ static void __init poodle_init(void)
poodle_init_spi();
}
-static void __init fixup_poodle(struct tag *tags, char **cmdline,
- struct meminfo *mi)
+static void __init fixup_poodle(struct tag *tags, char **cmdline)
{
sharpsl_save_param();
- mi->nr_banks=1;
- mi->bank[0].start = 0xa0000000;
- mi->bank[0].size = (32*1024*1024);
+ memblock_add(0xa0000000, SZ_32M);
}
MACHINE_START(POODLE, "SHARP Poodle")
diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c
index 0b11c1a..840c3a4 100644
--- a/arch/arm/mach-pxa/spitz.c
+++ b/arch/arm/mach-pxa/spitz.c
@@ -32,6 +32,7 @@
#include <linux/io.h>
#include <linux/module.h>
#include <linux/reboot.h>
+#include <linux/memblock.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
@@ -971,13 +972,10 @@ static void __init spitz_init(void)
spitz_i2c_init();
}
-static void __init spitz_fixup(struct tag *tags, char **cmdline,
- struct meminfo *mi)
+static void __init spitz_fixup(struct tag *tags, char **cmdline)
{
sharpsl_save_param();
- mi->nr_banks = 1;
- mi->bank[0].start = 0xa0000000;
- mi->bank[0].size = (64*1024*1024);
+ memblock_add(0xa0000000, SZ_64M);
}
#ifdef CONFIG_MACH_SPITZ
diff --git a/arch/arm/mach-pxa/tosa.c b/arch/arm/mach-pxa/tosa.c
index ef5557b..c158a6e 100644
--- a/arch/arm/mach-pxa/tosa.c
+++ b/arch/arm/mach-pxa/tosa.c
@@ -37,6 +37,7 @@
#include <linux/i2c/pxa-i2c.h>
#include <linux/usb/gpio_vbus.h>
#include <linux/reboot.h>
+#include <linux/memblock.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
@@ -960,13 +961,10 @@ static void __init tosa_init(void)
platform_add_devices(devices, ARRAY_SIZE(devices));
}
-static void __init fixup_tosa(struct tag *tags, char **cmdline,
- struct meminfo *mi)
+static void __init fixup_tosa(struct tag *tags, char **cmdline)
{
sharpsl_save_param();
- mi->nr_banks=1;
- mi->bank[0].start = 0xa0000000;
- mi->bank[0].size = (64*1024*1024);
+ memblock_add(0xa0000000, SZ_64M);
}
MACHINE_START(TOSA, "SHARP Tosa")
diff --git a/arch/arm/mach-realview/core.c b/arch/arm/mach-realview/core.c
index 1d5ee5c..c2fae3a 100644
--- a/arch/arm/mach-realview/core.c
+++ b/arch/arm/mach-realview/core.c
@@ -31,6 +31,7 @@
#include <linux/amba/mmci.h>
#include <linux/gfp.h>
#include <linux/mtd/physmap.h>
+#include <linux/memblock.h>
#include <mach/hardware.h>
#include <asm/irq.h>
@@ -370,19 +371,15 @@ void __init realview_timer_init(unsigned int timer_irq)
/*
* Setup the memory banks.
*/
-void realview_fixup(struct tag *tags, char **from, struct meminfo *meminfo)
+void realview_fixup(struct tag *tags, char **from)
{
/*
* Most RealView platforms have 512MB contiguous RAM at 0x70000000.
* Half of this is mirrored at 0.
*/
#ifdef CONFIG_REALVIEW_HIGH_PHYS_OFFSET
- meminfo->bank[0].start = 0x70000000;
- meminfo->bank[0].size = SZ_512M;
- meminfo->nr_banks = 1;
+ memblock_add(0x70000000, SZ_512M);
#else
- meminfo->bank[0].start = 0;
- meminfo->bank[0].size = SZ_256M;
- meminfo->nr_banks = 1;
+ memblock_add(0, SZ_256M);
#endif
}
diff --git a/arch/arm/mach-realview/core.h b/arch/arm/mach-realview/core.h
index 602ca5e..844946d 100644
--- a/arch/arm/mach-realview/core.h
+++ b/arch/arm/mach-realview/core.h
@@ -51,8 +51,7 @@ extern int realview_flash_register(struct resource *res, u32 num);
extern int realview_eth_register(const char *name, struct resource *res);
extern int realview_usb_register(struct resource *res);
extern void realview_init_early(void);
-extern void realview_fixup(struct tag *tags, char **from,
- struct meminfo *meminfo);
+extern void realview_fixup(struct tag *tags, char **from);
extern struct smp_operations realview_smp_ops;
extern void realview_cpu_die(unsigned int cpu);
diff --git a/arch/arm/mach-realview/realview_pb1176.c b/arch/arm/mach-realview/realview_pb1176.c
index c5eade7..6abf6a0 100644
--- a/arch/arm/mach-realview/realview_pb1176.c
+++ b/arch/arm/mach-realview/realview_pb1176.c
@@ -32,6 +32,7 @@
#include <linux/irqchip/arm-gic.h>
#include <linux/platform_data/clk-realview.h>
#include <linux/reboot.h>
+#include <linux/memblock.h>
#include <mach/hardware.h>
#include <asm/irq.h>
@@ -339,15 +340,12 @@ static void realview_pb1176_restart(enum reboot_mode mode, const char *cmd)
dsb();
}
-static void realview_pb1176_fixup(struct tag *tags, char **from,
- struct meminfo *meminfo)
+static void realview_pb1176_fixup(struct tag *tags, char **from)
{
/*
* RealView PB1176 only has 128MB of RAM mapped at 0.
*/
- meminfo->bank[0].start = 0;
- meminfo->bank[0].size = SZ_128M;
- meminfo->nr_banks = 1;
+ memblock_add(0, SZ_128M);
}
static void __init realview_pb1176_init(void)
diff --git a/arch/arm/mach-realview/realview_pbx.c b/arch/arm/mach-realview/realview_pbx.c
index 9d75493..60d322a 100644
--- a/arch/arm/mach-realview/realview_pbx.c
+++ b/arch/arm/mach-realview/realview_pbx.c
@@ -29,6 +29,7 @@
#include <linux/irqchip/arm-gic.h>
#include <linux/platform_data/clk-realview.h>
#include <linux/reboot.h>
+#include <linux/memblock.h>
#include <asm/irq.h>
#include <asm/mach-types.h>
@@ -325,23 +326,19 @@ static void __init realview_pbx_timer_init(void)
realview_pbx_twd_init();
}
-static void realview_pbx_fixup(struct tag *tags, char **from,
- struct meminfo *meminfo)
+static void realview_pbx_fixup(struct tag *tags, char **from)
{
#ifdef CONFIG_SPARSEMEM
/*
* Memory configuration with SPARSEMEM enabled on RealView PBX (see
* asm/mach/memory.h for more information).
*/
- meminfo->bank[0].start = 0;
- meminfo->bank[0].size = SZ_256M;
- meminfo->bank[1].start = 0x20000000;
- meminfo->bank[1].size = SZ_512M;
- meminfo->bank[2].start = 0x80000000;
- meminfo->bank[2].size = SZ_256M;
- meminfo->nr_banks = 3;
+
+ memblock_add(0, SZ_256M);
+ memblock_add(0x20000000, SZ_512M);
+ memblock_add(0x80000000, SZ_256M);
#else
- realview_fixup(tags, from, meminfo);
+ realview_fixup(tags, from);
#endif
}
diff --git a/arch/arm/mach-s3c24xx/mach-smdk2413.c b/arch/arm/mach-s3c24xx/mach-smdk2413.c
index f5bc721..0551758 100644
--- a/arch/arm/mach-s3c24xx/mach-smdk2413.c
+++ b/arch/arm/mach-s3c24xx/mach-smdk2413.c
@@ -21,6 +21,7 @@
#include <linux/serial_core.h>
#include <linux/platform_device.h>
#include <linux/io.h>
+#include <linux/memblock.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
@@ -93,13 +94,10 @@ static struct platform_device *smdk2413_devices[] __initdata = {
&s3c2412_device_dma,
};
-static void __init smdk2413_fixup(struct tag *tags, char **cmdline,
- struct meminfo *mi)
+static void __init smdk2413_fixup(struct tag *tags, char **cmdline)
{
if (tags != phys_to_virt(S3C2410_SDRAM_PA + 0x100)) {
- mi->nr_banks=1;
- mi->bank[0].start = 0x30000000;
- mi->bank[0].size = SZ_64M;
+ memblock_add(0x30000000, SZ_64M);
}
}
diff --git a/arch/arm/mach-s3c24xx/mach-vstms.c b/arch/arm/mach-s3c24xx/mach-vstms.c
index f7ec9c5..aa550f5 100644
--- a/arch/arm/mach-s3c24xx/mach-vstms.c
+++ b/arch/arm/mach-s3c24xx/mach-vstms.c
@@ -22,6 +22,7 @@
#include <linux/mtd/nand.h>
#include <linux/mtd/nand_ecc.h>
#include <linux/mtd/partitions.h>
+#include <linux/memblock.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
@@ -129,13 +130,10 @@ static struct platform_device *vstms_devices[] __initdata = {
&s3c2412_device_dma,
};
-static void __init vstms_fixup(struct tag *tags, char **cmdline,
- struct meminfo *mi)
+static void __init vstms_fixup(struct tag *tags, char **cmdline)
{
if (tags != phys_to_virt(S3C2410_SDRAM_PA + 0x100)) {
- mi->nr_banks=1;
- mi->bank[0].start = 0x30000000;
- mi->bank[0].size = SZ_64M;
+ memblock_add(0x30000000, SZ_64M);
}
}
diff --git a/arch/arm/mach-sa1100/assabet.c b/arch/arm/mach-sa1100/assabet.c
index 8443a27..7dd894e 100644
--- a/arch/arm/mach-sa1100/assabet.c
+++ b/arch/arm/mach-sa1100/assabet.c
@@ -531,7 +531,7 @@ static void __init get_assabet_scr(void)
}
static void __init
-fixup_assabet(struct tag *tags, char **cmdline, struct meminfo *mi)
+fixup_assabet(struct tag *tags, char **cmdline)
{
/* This must be done before any call to machine_has_neponset() */
map_sa1100_gpio_regs();
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 42fc139..a62dadd 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -81,24 +81,21 @@ __tagtable(ATAG_INITRD2, parse_tag_initrd2);
* initialization functions, as well as show_mem() for the skipping
* of holes in the memory map. It is populated by arm_add_memory().
*/
-struct meminfo meminfo;
-
void show_mem(unsigned int filter)
{
int free = 0, total = 0, reserved = 0;
- int shared = 0, cached = 0, slab = 0, i;
- struct meminfo * mi = &meminfo;
+ int shared = 0, cached = 0, slab = 0;
+ struct memblock_region *reg;
printk("Mem-info:\n");
show_free_areas(filter);
- for_each_bank (i, mi) {
- struct membank *bank = &mi->bank[i];
+ for_each_memblock (memory, reg) {
unsigned int pfn1, pfn2;
struct page *page, *end;
- pfn1 = bank_pfn_start(bank);
- pfn2 = bank_pfn_end(bank);
+ pfn1 = memblock_region_memory_base_pfn(reg);
+ pfn2 = memblock_region_memory_end_pfn(reg);
page = pfn_to_page(pfn1);
end = pfn_to_page(pfn2 - 1) + 1;
@@ -130,16 +127,9 @@ void show_mem(unsigned int filter)
static void __init find_limits(unsigned long *min, unsigned long *max_low,
unsigned long *max_high)
{
- struct meminfo *mi = &meminfo;
- int i;
-
- /* This assumes the meminfo array is properly sorted */
- *min = bank_pfn_start(&mi->bank[0]);
- for_each_bank (i, mi)
- if (mi->bank[i].highmem)
- break;
- *max_low = bank_pfn_end(&mi->bank[i - 1]);
- *max_high = bank_pfn_end(&mi->bank[mi->nr_banks - 1]);
+ *max_low = PFN_DOWN(memblock_get_current_limit());
+ *min = PFN_UP(memblock_start_of_DRAM());
+ *max_high = PFN_DOWN(memblock_end_of_DRAM());
}
#ifdef CONFIG_ZONE_DMA
@@ -275,14 +265,8 @@ phys_addr_t __init arm_memblock_steal(phys_addr_t size, phys_addr_t align)
return phys;
}
-void __init arm_memblock_init(struct meminfo *mi,
- const struct machine_desc *mdesc)
+void __init arm_memblock_init(const struct machine_desc *mdesc)
{
- int i;
-
- for (i = 0; i < mi->nr_banks; i++)
- memblock_add(mi->bank[i].start, mi->bank[i].size);
-
/* Register the kernel text, kernel data and initrd with memblock. */
#ifdef CONFIG_XIP_KERNEL
memblock_reserve(__pa(_sdata), _end - _sdata);
@@ -413,54 +397,53 @@ free_memmap(unsigned long start_pfn, unsigned long end_pfn)
/*
* The mem_map array can get very big. Free the unused area of the memory map.
*/
-static void __init free_unused_memmap(struct meminfo *mi)
+static void __init free_unused_memmap(void)
{
- unsigned long bank_start, prev_bank_end = 0;
- unsigned int i;
+ unsigned long start, prev_end = 0;
+ struct memblock_region *reg;
/*
* This relies on each bank being in address order.
* The banks are sorted previously in bootmem_init().
*/
- for_each_bank(i, mi) {
- struct membank *bank = &mi->bank[i];
-
- bank_start = bank_pfn_start(bank);
+ for_each_memblock(memory, reg) {
+ start = __phys_to_pfn(reg->base);
#ifdef CONFIG_SPARSEMEM
/*
* Take care not to free memmap entries that don't exist
* due to SPARSEMEM sections which aren't present.
*/
- bank_start = min(bank_start,
- ALIGN(prev_bank_end, PAGES_PER_SECTION));
+ start = min(start,
+ ALIGN(prev_end, PAGES_PER_SECTION));
#else
/*
* Align down here since the VM subsystem insists that the
* memmap entries are valid from the bank start aligned to
* MAX_ORDER_NR_PAGES.
*/
- bank_start = round_down(bank_start, MAX_ORDER_NR_PAGES);
+ start = round_down(start, MAX_ORDER_NR_PAGES);
#endif
/*
* If we had a previous bank, and there is a space
* between the current bank and the previous, free it.
*/
- if (prev_bank_end && prev_bank_end < bank_start)
- free_memmap(prev_bank_end, bank_start);
+ if (prev_end && prev_end < start)
+ free_memmap(prev_end, start);
/*
* Align up here since the VM subsystem insists that the
* memmap entries are valid from the bank end aligned to
* MAX_ORDER_NR_PAGES.
*/
- prev_bank_end = ALIGN(bank_pfn_end(bank), MAX_ORDER_NR_PAGES);
+ prev_end = ALIGN(start + __phys_to_pfn(reg->size),
+ MAX_ORDER_NR_PAGES);
}
#ifdef CONFIG_SPARSEMEM
- if (!IS_ALIGNED(prev_bank_end, PAGES_PER_SECTION))
- free_memmap(prev_bank_end,
- ALIGN(prev_bank_end, PAGES_PER_SECTION));
+ if (!IS_ALIGNED(prev_end, PAGES_PER_SECTION))
+ free_memmap(prev_end,
+ ALIGN(prev_end, PAGES_PER_SECTION));
#endif
}
@@ -536,7 +519,7 @@ void __init mem_init(void)
set_max_mapnr(pfn_to_page(max_pfn) - mem_map);
/* this will put all unused low memory onto the freelists */
- free_unused_memmap(&meminfo);
+ free_unused_memmap();
free_all_bootmem();
#ifdef CONFIG_SA1111
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index 4f08c13..23433ef 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -1046,74 +1046,44 @@ phys_addr_t arm_lowmem_limit __initdata = 0;
void __init sanity_check_meminfo(void)
{
phys_addr_t memblock_limit = 0;
- int i, j, highmem = 0;
+ int highmem = 0;
phys_addr_t vmalloc_limit = __pa(vmalloc_min - 1) + 1;
+ struct memblock_region *reg;
- for (i = 0, j = 0; i < meminfo.nr_banks; i++) {
- struct membank *bank = &meminfo.bank[j];
- phys_addr_t size_limit;
-
- *bank = meminfo.bank[i];
- size_limit = bank->size;
+ for_each_memblock(memory, reg) {
+ phys_addr_t block_start = reg->base;
+ phys_addr_t block_end = reg->base + reg->size;
+ phys_addr_t size_limit = reg->size;
- if (bank->start >= vmalloc_limit)
+ if (reg->base >= vmalloc_limit)
highmem = 1;
else
- size_limit = vmalloc_limit - bank->start;
+ size_limit = vmalloc_limit - reg->base;
- bank->highmem = highmem;
-#ifdef CONFIG_HIGHMEM
- /*
- * Split those memory banks which are partially overlapping
- * the vmalloc area greatly simplifying things later.
- */
- if (!highmem && bank->size > size_limit) {
- if (meminfo.nr_banks >= NR_BANKS) {
- printk(KERN_CRIT "NR_BANKS too low, "
- "ignoring high memory\n");
- } else {
- memmove(bank + 1, bank,
- (meminfo.nr_banks - i) * sizeof(*bank));
- meminfo.nr_banks++;
- i++;
- bank[1].size -= size_limit;
- bank[1].start = vmalloc_limit;
- bank[1].highmem = highmem = 1;
- j++;
+ if (!IS_ENABLED(CONFIG_HIGHMEM) || cache_is_vipt_aliasing()) {
+
+ if (highmem) {
+ pr_notice("Ignoring ram at %pa-%pa (!CONFIG_HIGHMEM)\n",
+ &block_start, &block_end);
+ memblock_remove(block_start, block_end);
+ continue;
}
- bank->size = size_limit;
- }
-#else
- /*
- * Highmem banks not allowed with !CONFIG_HIGHMEM.
- */
- if (highmem) {
- printk(KERN_NOTICE "Ignoring RAM at %.8llx-%.8llx "
- "(!CONFIG_HIGHMEM).\n",
- (unsigned long long)bank->start,
- (unsigned long long)bank->start + bank->size - 1);
- continue;
- }
- /*
- * Check whether this memory bank would partially overlap
- * the vmalloc area.
- */
- if (bank->size > size_limit) {
- printk(KERN_NOTICE "Truncating RAM at %.8llx-%.8llx "
- "to -%.8llx (vmalloc region overlap).\n",
- (unsigned long long)bank->start,
- (unsigned long long)bank->start + bank->size - 1,
- (unsigned long long)bank->start + size_limit - 1);
- bank->size = size_limit;
+ if (reg->size > size_limit) {
+ phys_addr_t overlap_size = reg->size - size_limit;
+
+ pr_notice("Truncating RAM at %pa-%pa to -%pa",
+ &block_start, &block_end, &overlap_size);
+ memblock_remove(vmalloc_limit, overlap_size);
+ block_end = vmalloc_limit;
+ }
}
-#endif
- if (!bank->highmem) {
- phys_addr_t bank_end = bank->start + bank->size;
- if (bank_end > arm_lowmem_limit)
- arm_lowmem_limit = bank_end;
+ if (!highmem) {
+ if (block_end > arm_lowmem_limit)
+ arm_lowmem_limit = reg->base + size_limit;
+
/*
* Find the first non-section-aligned page, and point
@@ -1129,35 +1099,16 @@ void __init sanity_check_meminfo(void)
* occurs before any free memory is mapped.
*/
if (!memblock_limit) {
- if (!IS_ALIGNED(bank->start, SECTION_SIZE))
- memblock_limit = bank->start;
- else if (!IS_ALIGNED(bank_end, SECTION_SIZE))
- memblock_limit = bank_end;
+ if (!IS_ALIGNED(block_start, SECTION_SIZE))
+ memblock_limit = block_start;
+ else if (!IS_ALIGNED(block_end, SECTION_SIZE))
+ memblock_limit = block_end;
}
- }
- j++;
- }
-#ifdef CONFIG_HIGHMEM
- if (highmem) {
- const char *reason = NULL;
- if (cache_is_vipt_aliasing()) {
- /*
- * Interactions between kmap and other mappings
- * make highmem support with aliasing VIPT caches
- * rather difficult.
- */
- reason = "with VIPT aliasing cache";
- }
- if (reason) {
- printk(KERN_CRIT "HIGHMEM is not supported %s, ignoring high memory\n",
- reason);
- while (j > 0 && meminfo.bank[j - 1].highmem)
- j--;
}
+
}
-#endif
- meminfo.nr_banks = j;
+
high_memory = __va(arm_lowmem_limit - 1) + 1;
/*
