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Commit 59871bcd authored by Hugh Dickins's avatar Hugh Dickins Committed by David S. Miller
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[SPARC64] mm: simpler tlb_flush_mmu 



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: default avatarHugh Dickins <hugh@veritas.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 261b033a

include/asm-sparc64/tlb.h

+3 −5
Original line number Diff line number Diff line
@@ -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) {

		mp->need_flush = 0;

		if (!tlb_fast_mode(mp)) {

		free_pages_and_swap_cache(mp->pages, mp->pages_nr);

		mp->pages_nr = 0;

		}

		mp->need_flush = 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);