mm: now that all old mmu_gather code is gone, remove the storage
Fold all the mmu_gather rework patches into one for submission Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Reported-by: Hugh Dickins <hughd@google.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: David Miller <davem@davemloft.net> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Paul Mundt <lethal@linux-sh.org> Cc: Jeff Dike <jdike@addtoit.com> Cc: Richard Weinberger <richard@nod.at> Cc: Tony Luck <tony.luck@intel.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Mel Gorman <mel@csn.ul.ie> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Nick Piggin <npiggin@kernel.dk> Cc: Namhyung Kim <namhyung@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -32,8 +32,6 @@
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#include <asm/console.h>
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#include <asm/tlb.h>
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DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
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extern void die_if_kernel(char *,struct pt_regs *,long);
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static struct pcb_struct original_pcb;
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@ -31,8 +31,6 @@
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#include "mm.h"
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DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
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/*
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* empty_zero_page is a special page that is used for
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* zero-initialized data and COW.
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@ -25,8 +25,6 @@
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#include <asm/setup.h>
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#include <asm/sections.h>
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DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
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pgd_t swapper_pg_dir[PTRS_PER_PGD] __page_aligned_data;
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struct page *empty_zero_page;
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@ -13,8 +13,6 @@
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#include <linux/bootmem.h>
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#include <asm/tlb.h>
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DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
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unsigned long empty_zero_page;
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extern char _stext, _edata, _etext; /* From linkerscript */
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@ -41,8 +41,6 @@
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#undef DEBUG
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DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
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/*
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* BAD_PAGE is the page that is used for page faults when linux
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* is out-of-memory. Older versions of linux just did a
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@ -36,8 +36,6 @@
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#include <asm/mca.h>
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#include <asm/paravirt.h>
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DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
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extern void ia64_tlb_init (void);
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unsigned long MAX_DMA_ADDRESS = PAGE_OFFSET + 0x100000000UL;
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@ -35,8 +35,6 @@ extern char __init_begin, __init_end;
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pgd_t swapper_pg_dir[1024];
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DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
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/*
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* Cache of MMU context last used.
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*/
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@ -32,8 +32,6 @@
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#include <asm/sections.h>
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#include <asm/tlb.h>
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DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
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pg_data_t pg_data_map[MAX_NUMNODES];
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EXPORT_SYMBOL(pg_data_map);
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@ -32,8 +32,6 @@ unsigned int __page_offset;
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EXPORT_SYMBOL(__page_offset);
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#else
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DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
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static int init_bootmem_done;
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#endif /* CONFIG_MMU */
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@ -64,8 +64,6 @@
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#endif /* CONFIG_MIPS_MT_SMTC */
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DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
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/*
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* We have up to 8 empty zeroed pages so we can map one of the right colour
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* when needed. This is necessary only on R4000 / R4400 SC and MC versions
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@ -37,8 +37,6 @@
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#include <asm/tlb.h>
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#include <asm/sections.h>
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DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
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unsigned long highstart_pfn, highend_pfn;
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#ifdef CONFIG_MN10300_HAS_ATOMIC_OPS_UNIT
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@ -31,8 +31,6 @@
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#include <asm/mmzone.h>
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#include <asm/sections.h>
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DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
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extern int data_start;
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#ifdef CONFIG_DISCONTIGMEM
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@ -36,7 +36,6 @@ struct rcu_table_freelist {
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((PAGE_SIZE - sizeof(struct rcu_table_freelist)) \
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/ sizeof(unsigned long))
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DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
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static DEFINE_PER_CPU(struct rcu_table_freelist *, rcu_table_freelist);
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static void __page_table_free(struct mm_struct *mm, unsigned long *table);
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@ -38,8 +38,6 @@
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#include <asm/sections.h>
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#include <asm/tlb.h>
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DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
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unsigned long empty_zero_page;
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EXPORT_SYMBOL_GPL(empty_zero_page);
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@ -28,7 +28,6 @@
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#include <asm/cache.h>
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#include <asm/sizes.h>
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DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
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pgd_t swapper_pg_dir[PTRS_PER_PGD];
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void __init generic_mem_init(void)
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@ -37,8 +37,6 @@
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#include <asm/prom.h>
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#include <asm/leon.h>
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DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
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unsigned long *sparc_valid_addr_bitmap;
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EXPORT_SYMBOL(sparc_valid_addr_bitmap);
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@ -60,8 +60,6 @@ unsigned long VMALLOC_RESERVE = CONFIG_VMALLOC_RESERVE;
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EXPORT_SYMBOL(VMALLOC_RESERVE);
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#endif
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DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
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/* Create an L2 page table */
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static pte_t * __init alloc_pte(void)
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{
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@ -7,9 +7,6 @@
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#include "asm/pgalloc.h"
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#include "asm/tlb.h"
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/* For some reason, mmu_gathers are referenced when CONFIG_SMP is off. */
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DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
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#ifdef CONFIG_SMP
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#include "linux/sched.h"
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@ -30,8 +30,6 @@
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#include "mm.h"
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DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
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/*
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* empty_zero_page is a special page that is used for
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* zero-initialized data and COW.
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@ -16,8 +16,6 @@
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#include <asm/tlb.h>
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#include <asm/proto.h>
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DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
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unsigned long __initdata pgt_buf_start;
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unsigned long __meminitdata pgt_buf_end;
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unsigned long __meminitdata pgt_buf_top;
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@ -14,8 +14,6 @@
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#include <asm/mmu_context.h>
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#include <asm/page.h>
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DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
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void __init paging_init(void)
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{
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memset(swapper_pg_dir, 0, PAGE_SIZE);
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