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Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff
[linux-2.6.git]
/
include
/
asm-sparc64
/
tlb.h
diff --git
a/include/asm-sparc64/tlb.h
b/include/asm-sparc64/tlb.h
index
64aa8c4
..
41a5d1c
100644
(file)
--- a/
include/asm-sparc64/tlb.h
+++ b/
include/asm-sparc64/tlb.h
@@
-26,9
+26,8
@@
struct mmu_gather {
struct mm_struct *mm;
unsigned int pages_nr;
unsigned int need_flush;
struct mm_struct *mm;
unsigned int pages_nr;
unsigned int need_flush;
- unsigned int
tlb_frozen
;
+ unsigned int
fullmm
;
unsigned int tlb_nr;
unsigned int tlb_nr;
- unsigned long freed;
unsigned long vaddrs[TLB_BATCH_NR];
struct page *pages[FREE_PTE_NR];
};
unsigned long vaddrs[TLB_BATCH_NR];
struct page *pages[FREE_PTE_NR];
};
@@
-45,14
+44,13
@@
extern void flush_tlb_pending(void);
static inline struct mmu_gather *tlb_gather_mmu(struct mm_struct *mm, unsigned int full_mm_flush)
{
static inline struct mmu_gather *tlb_gather_mmu(struct mm_struct *mm, unsigned int full_mm_flush)
{
- struct mmu_gather *mp = &
__
get_cpu_var(mmu_gathers);
+ struct mmu_gather *mp = &get_cpu_var(mmu_gathers);
BUG_ON(mp->tlb_nr);
mp->mm = mm;
mp->pages_nr = num_online_cpus() > 1 ? 0U : ~0U;
BUG_ON(mp->tlb_nr);
mp->mm = mm;
mp->pages_nr = num_online_cpus() > 1 ? 0U : ~0U;
- mp->tlb_frozen = full_mm_flush;
- mp->freed = 0;
+ mp->fullmm = full_mm_flush;
return mp;
}
return mp;
}
@@
-61,11
+59,9
@@
static inline struct mmu_gather *tlb_gather_mmu(struct mm_struct *mm, unsigned i
static inline void tlb_flush_mmu(struct mmu_gather *mp)
{
if (mp->need_flush) {
static inline void tlb_flush_mmu(struct mmu_gather *mp)
{
if (mp->need_flush) {
+ free_pages_and_swap_cache(mp->pages, mp->pages_nr);
+ mp->pages_nr = 0;
mp->need_flush = 0;
mp->need_flush = 0;
- if (!tlb_fast_mode(mp)) {
- free_pages_and_swap_cache(mp->pages, mp->pages_nr);
- mp->pages_nr = 0;
- }
}
}
}
}
@@
-79,39
+75,26
@@
extern void smp_flush_tlb_mm(struct mm_struct *mm);
static inline void tlb_finish_mmu(struct mmu_gather *mp, unsigned long start, unsigned long end)
{
static inline void tlb_finish_mmu(struct mmu_gather *mp, unsigned long start, unsigned long end)
{
- unsigned long freed = mp->freed;
- struct mm_struct *mm = mp->mm;
- unsigned long rss = get_mm_counter(mm, rss);
-
- if (rss < freed)
- freed = rss;
- add_mm_counter(mm, rss, -freed);
-
tlb_flush_mmu(mp);
tlb_flush_mmu(mp);
- if (mp->tlb_frozen) {
- if (CTX_VALID(mm->context))
- do_flush_tlb_mm(mm);
- mp->tlb_frozen = 0;
- } else
+ if (mp->fullmm)
+ mp->fullmm = 0;
+ else
flush_tlb_pending();
/* keep the page table cache within bounds */
check_pgt_cache();
flush_tlb_pending();
/* keep the page table cache within bounds */
check_pgt_cache();
-}
-static inline unsigned int tlb_is_full_mm(struct mmu_gather *mp)
-{
- return mp->tlb_frozen;
+ put_cpu_var(mmu_gathers);
}
static inline void tlb_remove_page(struct mmu_gather *mp, struct page *page)
{
}
static inline void tlb_remove_page(struct mmu_gather *mp, struct page *page)
{
- mp->need_flush = 1;
if (tlb_fast_mode(mp)) {
free_page_and_swap_cache(page);
return;
}
if (tlb_fast_mode(mp)) {
free_page_and_swap_cache(page);
return;
}
+ mp->need_flush = 1;
mp->pages[mp->pages_nr++] = page;
if (mp->pages_nr >= FREE_PTE_NR)
tlb_flush_mmu(mp);
mp->pages[mp->pages_nr++] = page;
if (mp->pages_nr >= FREE_PTE_NR)
tlb_flush_mmu(mp);