AcoSail/kernel_optimize_test
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[SPARC64] mm: simpler tlb_flush_mmu

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Minor simplification to the sparc64 tlb_flush_mmu: tlb_remove_page
set need_flush only after handling the tlb_fast_mode case, then
tlb_flush_mmu need not consider whether it's tlb_fast_mode.

Signed-off-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Hugh Dickins 2005-11-07 14:12:08 -08:00 committed by David S. Miller
parent 261b033afc
commit 59871bcd11
1 changed files with 3 additions and 5 deletions
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8
include/asm-sparc64/tlb.h
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@ -58,11 +58,9 @@ 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) {
free_pages_and_swap_cache(mp->pages, mp->pages_nr);
mp->pages_nr = 0;
mp->need_flush = 0;
if (!tlb_fast_mode(mp)) {
free_pages_and_swap_cache(mp->pages, mp->pages_nr);
mp->pages_nr = 0;
}
}
}
@ -91,11 +89,11 @@ static inline void tlb_finish_mmu(struct mmu_gather *mp, unsigned long start, un
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;
}
mp->need_flush = 1;
mp->pages[mp->pages_nr++] = page;
if (mp->pages_nr >= FREE_PTE_NR)
tlb_flush_mmu(mp);