The patch titled
Subject: mm/SPARC: use common help functions to free reserved pages
has been removed from the -mm tree. Its filename was
mm-sparc-use-common-help-functions-to-free-reserved-pages.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Jiang Liu <liuj97@xxxxxxxxx>
Subject: mm/SPARC: use common help functions to free reserved pages
Use common help functions to free reserved pages.
Signed-off-by: Jiang Liu <jiang.liu@xxxxxxxxxx>
Acked-by: David S. Miller <davem@xxxxxxxxxxxxx>
Acked-by: Sam Ravnborg <sam@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/sparc/kernel/leon_smp.c | 15 ++-----------
arch/sparc/mm/init_32.c | 37 ++-------------------------------
arch/sparc/mm/init_64.c | 28 +++++-------------------
3 files changed, 12 insertions(+), 68 deletions(-)
diff -puN arch/sparc/kernel/leon_smp.c~mm-sparc-use-common-help-functions-to-free-reserved-pages arch/sparc/kernel/leon_smp.c
--- a/arch/sparc/kernel/leon_smp.c~mm-sparc-use-common-help-functions-to-free-reserved-pages
+++ a/arch/sparc/kernel/leon_smp.c
@@ -253,24 +253,15 @@ void __init leon_smp_done(void)
/* Free unneeded trap tables */
if (!cpu_present(1)) {
- ClearPageReserved(virt_to_page(&trapbase_cpu1));
- init_page_count(virt_to_page(&trapbase_cpu1));
- free_page((unsigned long)&trapbase_cpu1);
- totalram_pages++;
+ free_reserved_page(virt_to_page(&trapbase_cpu1));
num_physpages++;
}
if (!cpu_present(2)) {
- ClearPageReserved(virt_to_page(&trapbase_cpu2));
- init_page_count(virt_to_page(&trapbase_cpu2));
- free_page((unsigned long)&trapbase_cpu2);
- totalram_pages++;
+ free_reserved_page(virt_to_page(&trapbase_cpu2));
num_physpages++;
}
if (!cpu_present(3)) {
- ClearPageReserved(virt_to_page(&trapbase_cpu3));
- init_page_count(virt_to_page(&trapbase_cpu3));
- free_page((unsigned long)&trapbase_cpu3);
- totalram_pages++;
+ free_reserved_page(virt_to_page(&trapbase_cpu3));
num_physpages++;
}
/* Ok, they are spinning and ready to go. */
diff -puN arch/sparc/mm/init_32.c~mm-sparc-use-common-help-functions-to-free-reserved-pages arch/sparc/mm/init_32.c
--- a/arch/sparc/mm/init_32.c~mm-sparc-use-common-help-functions-to-free-reserved-pages
+++ a/arch/sparc/mm/init_32.c
@@ -366,45 +366,14 @@ void __init mem_init(void)
void free_initmem (void)
{
- unsigned long addr;
- unsigned long freed;
-
- addr = (unsigned long)(&__init_begin);
- freed = (unsigned long)(&__init_end) - addr;
- for (; addr < (unsigned long)(&__init_end); addr += PAGE_SIZE) {
- struct page *p;
-
- memset((void *)addr, POISON_FREE_INITMEM, PAGE_SIZE);
- p = virt_to_page(addr);
-
- ClearPageReserved(p);
- init_page_count(p);
- __free_page(p);
- totalram_pages++;
- num_physpages++;
- }
- printk(KERN_INFO "Freeing unused kernel memory: %ldk freed\n",
- freed >> 10);
+ num_physpages += free_initmem_default(POISON_FREE_INITMEM);
}
#ifdef CONFIG_BLK_DEV_INITRD
void free_initrd_mem(unsigned long start, unsigned long end)
{
- if (start < end)
- printk(KERN_INFO "Freeing initrd memory: %ldk freed\n",
- (end - start) >> 10);
- for (; start < end; start += PAGE_SIZE) {
- struct page *p;
-
- memset((void *)start, POISON_FREE_INITMEM, PAGE_SIZE);
- p = virt_to_page(start);
-
- ClearPageReserved(p);
- init_page_count(p);
- __free_page(p);
- totalram_pages++;
- num_physpages++;
- }
+ num_physpages += free_reserved_area(start, end, POISON_FREE_INITMEM,
+ "initrd");
}
#endif
diff -puN arch/sparc/mm/init_64.c~mm-sparc-use-common-help-functions-to-free-reserved-pages arch/sparc/mm/init_64.c
--- a/arch/sparc/mm/init_64.c~mm-sparc-use-common-help-functions-to-free-reserved-pages
+++ a/arch/sparc/mm/init_64.c
@@ -2059,8 +2059,7 @@ void __init mem_init(void)
/* We subtract one to account for the mem_map_zero page
* allocated below.
*/
- totalram_pages -= 1;
- num_physpages = totalram_pages;
+ num_physpages = totalram_pages - 1;
/*
* Set up the zero page, mark it reserved, so that page count
@@ -2071,7 +2070,7 @@ void __init mem_init(void)
prom_printf("paging_init: Cannot alloc zero page.\n");
prom_halt();
}
- SetPageReserved(mem_map_zero);
+ mark_page_reserved(mem_map_zero);
codepages = (((unsigned long) _etext) - ((unsigned long) _start));
codepages = PAGE_ALIGN(codepages) >> PAGE_SHIFT;
@@ -2111,37 +2110,22 @@ void free_initmem(void)
initend = (unsigned long)(__init_end) & PAGE_MASK;
for (; addr < initend; addr += PAGE_SIZE) {
unsigned long page;
- struct page *p;
page = (addr +
((unsigned long) __va(kern_base)) -
((unsigned long) KERNBASE));
memset((void *)addr, POISON_FREE_INITMEM, PAGE_SIZE);
- if (do_free) {
- p = virt_to_page(page);
-
- ClearPageReserved(p);
- init_page_count(p);
- __free_page(p);
- totalram_pages++;
- }
+ if (do_free)
+ free_reserved_page(virt_to_page(page));
}
}
#ifdef CONFIG_BLK_DEV_INITRD
void free_initrd_mem(unsigned long start, unsigned long end)
{
- if (start < end)
- printk ("Freeing initrd memory: %ldk freed\n", (end - start) >> 10);
- for (; start < end; start += PAGE_SIZE) {
- struct page *p = virt_to_page(start);
-
- ClearPageReserved(p);
- init_page_count(p);
- __free_page(p);
- totalram_pages++;
- }
+ num_physpages += free_reserved_area(start, end, POISON_FREE_INITMEM,
+ "initrd");
}
#endif
_
Patches currently in -mm which might be from liuj97@xxxxxxxxx are
origin.patch
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