The patch titled
mm: now that all old mmu_gather code is gone, remove the storage
has been added to the -mm tree. Its filename is
mm-now-that-all-old-mmu_gather-code-is-gone-remove-the-storage.patch
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*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find
out what to do about this
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: mm: now that all old mmu_gather code is gone, remove the storage
From: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Fold all the mmu_gather rework patches into one for submission
Signed-off-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Reported-by: Hugh Dickins <hughd@xxxxxxxxxx>
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc: David Miller <davem@xxxxxxxxxxxxx>
Cc: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
Cc: Russell King <rmk@xxxxxxxxxxxxxxxx>
Cc: Paul Mundt <lethal@xxxxxxxxxxxx>
Cc: Jeff Dike <jdike@xxxxxxxxxxx>
Cc: Richard Weinberger <richard@xxxxxx>
Cc: Tony Luck <tony.luck@xxxxxxxxx>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
Cc: Mel Gorman <mel@xxxxxxxxx>
Cc: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
Cc: Nick Piggin <npiggin@xxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/alpha/mm/init.c | 2 --
arch/arm/mm/mmu.c | 2 --
arch/avr32/mm/init.c | 2 --
arch/cris/mm/init.c | 2 --
arch/frv/mm/init.c | 2 --
arch/ia64/mm/init.c | 2 --
arch/m32r/mm/init.c | 2 --
arch/m68k/mm/init_mm.c | 2 --
arch/microblaze/mm/init.c | 2 --
arch/mips/mm/init.c | 2 --
arch/mn10300/mm/init.c | 2 --
arch/parisc/mm/init.c | 2 --
arch/s390/mm/pgtable.c | 1 -
arch/score/mm/init.c | 2 --
arch/sh/mm/init.c | 1 -
arch/sparc/mm/init_32.c | 2 --
arch/tile/mm/init.c | 2 --
arch/um/kernel/smp.c | 3 ---
arch/unicore32/mm/mmu.c | 2 --
arch/x86/mm/init.c | 2 --
arch/xtensa/mm/mmu.c | 2 --
21 files changed, 41 deletions(-)
diff -puN arch/alpha/mm/init.c~mm-now-that-all-old-mmu_gather-code-is-gone-remove-the-storage arch/alpha/mm/init.c
--- a/arch/alpha/mm/init.c~mm-now-that-all-old-mmu_gather-code-is-gone-remove-the-storage
+++ a/arch/alpha/mm/init.c
@@ -32,8 +32,6 @@
#include <asm/console.h>
#include <asm/tlb.h>
-DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
-
extern void die_if_kernel(char *,struct pt_regs *,long);
static struct pcb_struct original_pcb;
diff -puN arch/arm/mm/mmu.c~mm-now-that-all-old-mmu_gather-code-is-gone-remove-the-storage arch/arm/mm/mmu.c
--- a/arch/arm/mm/mmu.c~mm-now-that-all-old-mmu_gather-code-is-gone-remove-the-storage
+++ a/arch/arm/mm/mmu.c
@@ -31,8 +31,6 @@
#include "mm.h"
-DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
-
/*
* empty_zero_page is a special page that is used for
* zero-initialized data and COW.
diff -puN arch/avr32/mm/init.c~mm-now-that-all-old-mmu_gather-code-is-gone-remove-the-storage arch/avr32/mm/init.c
--- a/arch/avr32/mm/init.c~mm-now-that-all-old-mmu_gather-code-is-gone-remove-the-storage
+++ a/arch/avr32/mm/init.c
@@ -25,8 +25,6 @@
#include <asm/setup.h>
#include <asm/sections.h>
-DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
-
pgd_t swapper_pg_dir[PTRS_PER_PGD] __page_aligned_data;
struct page *empty_zero_page;
diff -puN arch/cris/mm/init.c~mm-now-that-all-old-mmu_gather-code-is-gone-remove-the-storage arch/cris/mm/init.c
--- a/arch/cris/mm/init.c~mm-now-that-all-old-mmu_gather-code-is-gone-remove-the-storage
+++ a/arch/cris/mm/init.c
@@ -13,8 +13,6 @@
#include <linux/bootmem.h>
#include <asm/tlb.h>
-DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
-
unsigned long empty_zero_page;
extern char _stext, _edata, _etext; /* From linkerscript */
diff -puN arch/frv/mm/init.c~mm-now-that-all-old-mmu_gather-code-is-gone-remove-the-storage arch/frv/mm/init.c
--- a/arch/frv/mm/init.c~mm-now-that-all-old-mmu_gather-code-is-gone-remove-the-storage
+++ a/arch/frv/mm/init.c
@@ -41,8 +41,6 @@
#undef DEBUG
-DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
-
/*
* BAD_PAGE is the page that is used for page faults when linux
* is out-of-memory. Older versions of linux just did a
diff -puN arch/ia64/mm/init.c~mm-now-that-all-old-mmu_gather-code-is-gone-remove-the-storage arch/ia64/mm/init.c
--- a/arch/ia64/mm/init.c~mm-now-that-all-old-mmu_gather-code-is-gone-remove-the-storage
+++ a/arch/ia64/mm/init.c
@@ -36,8 +36,6 @@
#include <asm/mca.h>
#include <asm/paravirt.h>
-DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
-
extern void ia64_tlb_init (void);
unsigned long MAX_DMA_ADDRESS = PAGE_OFFSET + 0x100000000UL;
diff -puN arch/m32r/mm/init.c~mm-now-that-all-old-mmu_gather-code-is-gone-remove-the-storage arch/m32r/mm/init.c
--- a/arch/m32r/mm/init.c~mm-now-that-all-old-mmu_gather-code-is-gone-remove-the-storage
+++ a/arch/m32r/mm/init.c
@@ -35,8 +35,6 @@ extern char __init_begin, __init_end;
pgd_t swapper_pg_dir[1024];
-DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
-
/*
* Cache of MMU context last used.
*/
diff -puN arch/m68k/mm/init_mm.c~mm-now-that-all-old-mmu_gather-code-is-gone-remove-the-storage arch/m68k/mm/init_mm.c
--- a/arch/m68k/mm/init_mm.c~mm-now-that-all-old-mmu_gather-code-is-gone-remove-the-storage
+++ a/arch/m68k/mm/init_mm.c
@@ -32,8 +32,6 @@
#include <asm/sections.h>
#include <asm/tlb.h>
-DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
-
pg_data_t pg_data_map[MAX_NUMNODES];
EXPORT_SYMBOL(pg_data_map);
diff -puN arch/microblaze/mm/init.c~mm-now-that-all-old-mmu_gather-code-is-gone-remove-the-storage arch/microblaze/mm/init.c
--- a/arch/microblaze/mm/init.c~mm-now-that-all-old-mmu_gather-code-is-gone-remove-the-storage
+++ a/arch/microblaze/mm/init.c
@@ -32,8 +32,6 @@ unsigned int __page_offset;
EXPORT_SYMBOL(__page_offset);
#else
-DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
-
static int init_bootmem_done;
#endif /* CONFIG_MMU */
diff -puN arch/mips/mm/init.c~mm-now-that-all-old-mmu_gather-code-is-gone-remove-the-storage arch/mips/mm/init.c
--- a/arch/mips/mm/init.c~mm-now-that-all-old-mmu_gather-code-is-gone-remove-the-storage
+++ a/arch/mips/mm/init.c
@@ -64,8 +64,6 @@
#endif /* CONFIG_MIPS_MT_SMTC */
-DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
-
/*
* We have up to 8 empty zeroed pages so we can map one of the right colour
* when needed. This is necessary only on R4000 / R4400 SC and MC versions
diff -puN arch/mn10300/mm/init.c~mm-now-that-all-old-mmu_gather-code-is-gone-remove-the-storage arch/mn10300/mm/init.c
--- a/arch/mn10300/mm/init.c~mm-now-that-all-old-mmu_gather-code-is-gone-remove-the-storage
+++ a/arch/mn10300/mm/init.c
@@ -37,8 +37,6 @@
#include <asm/tlb.h>
#include <asm/sections.h>
-DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
-
unsigned long highstart_pfn, highend_pfn;
#ifdef CONFIG_MN10300_HAS_ATOMIC_OPS_UNIT
diff -puN arch/parisc/mm/init.c~mm-now-that-all-old-mmu_gather-code-is-gone-remove-the-storage arch/parisc/mm/init.c
--- a/arch/parisc/mm/init.c~mm-now-that-all-old-mmu_gather-code-is-gone-remove-the-storage
+++ a/arch/parisc/mm/init.c
@@ -31,8 +31,6 @@
#include <asm/mmzone.h>
#include <asm/sections.h>
-DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
-
extern int data_start;
#ifdef CONFIG_DISCONTIGMEM
diff -puN arch/s390/mm/pgtable.c~mm-now-that-all-old-mmu_gather-code-is-gone-remove-the-storage arch/s390/mm/pgtable.c
--- a/arch/s390/mm/pgtable.c~mm-now-that-all-old-mmu_gather-code-is-gone-remove-the-storage
+++ a/arch/s390/mm/pgtable.c
@@ -36,7 +36,6 @@ struct rcu_table_freelist {
((PAGE_SIZE - sizeof(struct rcu_table_freelist)) \
/ sizeof(unsigned long))
-DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
static DEFINE_PER_CPU(struct rcu_table_freelist *, rcu_table_freelist);
static void __page_table_free(struct mm_struct *mm, unsigned long *table);
diff -puN arch/score/mm/init.c~mm-now-that-all-old-mmu_gather-code-is-gone-remove-the-storage arch/score/mm/init.c
--- a/arch/score/mm/init.c~mm-now-that-all-old-mmu_gather-code-is-gone-remove-the-storage
+++ a/arch/score/mm/init.c
@@ -38,8 +38,6 @@
#include <asm/sections.h>
#include <asm/tlb.h>
-DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
-
unsigned long empty_zero_page;
EXPORT_SYMBOL_GPL(empty_zero_page);
diff -puN arch/sh/mm/init.c~mm-now-that-all-old-mmu_gather-code-is-gone-remove-the-storage arch/sh/mm/init.c
--- a/arch/sh/mm/init.c~mm-now-that-all-old-mmu_gather-code-is-gone-remove-the-storage
+++ a/arch/sh/mm/init.c
@@ -28,7 +28,6 @@
#include <asm/cache.h>
#include <asm/sizes.h>
-DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
pgd_t swapper_pg_dir[PTRS_PER_PGD];
void __init generic_mem_init(void)
diff -puN arch/sparc/mm/init_32.c~mm-now-that-all-old-mmu_gather-code-is-gone-remove-the-storage arch/sparc/mm/init_32.c
--- a/arch/sparc/mm/init_32.c~mm-now-that-all-old-mmu_gather-code-is-gone-remove-the-storage
+++ a/arch/sparc/mm/init_32.c
@@ -37,8 +37,6 @@
#include <asm/prom.h>
#include <asm/leon.h>
-DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
-
unsigned long *sparc_valid_addr_bitmap;
EXPORT_SYMBOL(sparc_valid_addr_bitmap);
diff -puN arch/tile/mm/init.c~mm-now-that-all-old-mmu_gather-code-is-gone-remove-the-storage arch/tile/mm/init.c
--- a/arch/tile/mm/init.c~mm-now-that-all-old-mmu_gather-code-is-gone-remove-the-storage
+++ a/arch/tile/mm/init.c
@@ -60,8 +60,6 @@ unsigned long VMALLOC_RESERVE = CONFIG_V
EXPORT_SYMBOL(VMALLOC_RESERVE);
#endif
-DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
-
/* Create an L2 page table */
static pte_t * __init alloc_pte(void)
{
diff -puN arch/um/kernel/smp.c~mm-now-that-all-old-mmu_gather-code-is-gone-remove-the-storage arch/um/kernel/smp.c
--- a/arch/um/kernel/smp.c~mm-now-that-all-old-mmu_gather-code-is-gone-remove-the-storage
+++ a/arch/um/kernel/smp.c
@@ -7,9 +7,6 @@
#include "asm/pgalloc.h"
#include "asm/tlb.h"
-/* For some reason, mmu_gathers are referenced when CONFIG_SMP is off. */
-DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
-
#ifdef CONFIG_SMP
#include "linux/sched.h"
diff -puN arch/unicore32/mm/mmu.c~mm-now-that-all-old-mmu_gather-code-is-gone-remove-the-storage arch/unicore32/mm/mmu.c
--- a/arch/unicore32/mm/mmu.c~mm-now-that-all-old-mmu_gather-code-is-gone-remove-the-storage
+++ a/arch/unicore32/mm/mmu.c
@@ -30,8 +30,6 @@
#include "mm.h"
-DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
-
/*
* empty_zero_page is a special page that is used for
* zero-initialized data and COW.
diff -puN arch/x86/mm/init.c~mm-now-that-all-old-mmu_gather-code-is-gone-remove-the-storage arch/x86/mm/init.c
--- a/arch/x86/mm/init.c~mm-now-that-all-old-mmu_gather-code-is-gone-remove-the-storage
+++ a/arch/x86/mm/init.c
@@ -16,8 +16,6 @@
#include <asm/tlb.h>
#include <asm/proto.h>
-DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
-
unsigned long __initdata pgt_buf_start;
unsigned long __meminitdata pgt_buf_end;
unsigned long __meminitdata pgt_buf_top;
diff -puN arch/xtensa/mm/mmu.c~mm-now-that-all-old-mmu_gather-code-is-gone-remove-the-storage arch/xtensa/mm/mmu.c
--- a/arch/xtensa/mm/mmu.c~mm-now-that-all-old-mmu_gather-code-is-gone-remove-the-storage
+++ a/arch/xtensa/mm/mmu.c
@@ -14,8 +14,6 @@
#include <asm/mmu_context.h>
#include <asm/page.h>
-DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
-
void __init paging_init(void)
{
memset(swapper_pg_dir, 0, PAGE_SIZE);
_
Patches currently in -mm which might be from a.p.zijlstra@xxxxxxxxx are
linux-next.patch
net-convert-%p-usage-to-%pk.patch
mm-mmu_gather-rework.patch
mm-mmu_gather-rework-fix.patch
powerpc-mmu_gather-rework.patch
sparc-mmu_gather-rework.patch
s390-mmu_gather-rework.patch
arm-mmu_gather-rework.patch
sh-mmu_gather-rework.patch
ia64-mmu_gather-rework.patch
um-mmu_gather-rework.patch
mm-now-that-all-old-mmu_gather-code-is-gone-remove-the-storage.patch
mm-powerpc-move-the-rcu-page-table-freeing-into-generic-code.patch
mm-extended-batches-for-generic-mmu_gather.patch
lockdep-mutex-provide-mutex_lock_nest_lock.patch
mm-remove-i_mmap_lock-lockbreak.patch
mm-convert-i_mmap_lock-to-a-mutex.patch
mm-revert-page_lock_anon_vma-lock-annotation.patch
mm-improve-page_lock_anon_vma-comment.patch
mm-use-refcounts-for-page_lock_anon_vma.patch
mm-convert-anon_vma-lock-to-a-mutex.patch
mm-optimize-page_lock_anon_vma-fast-path.patch
--
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