From 5045fffee2bc26ae466cba26769be2a989fb0797 Mon Sep 17 00:00:00 2001 From: Andrew Morton Date: Sun, 15 Sep 2002 08:50:57 -0700 Subject: [PATCH] clean up the TLB takedown code, remove debug - Remove the temp /proc/meminfo stats - Make the mmu_gather_t be 2048 bytes again - Removed unused variable (Oleg Nesterov) --- include/asm-generic/tlb.h | 13 ++----------- 1 file changed, 2 insertions(+), 11 deletions(-) (limited to 'include') diff --git a/include/asm-generic/tlb.h b/include/asm-generic/tlb.h index f3564a558be4..43814335a1a5 100644 --- a/include/asm-generic/tlb.h +++ b/include/asm-generic/tlb.h @@ -21,7 +21,7 @@ * and page free order so much.. */ #ifdef CONFIG_SMP - #define FREE_PTE_NR 507 + #define FREE_PTE_NR 506 #define tlb_fast_mode(tlb) ((tlb)->nr == ~0U) #else #define FREE_PTE_NR 1 @@ -40,8 +40,6 @@ typedef struct free_pte_ctx { unsigned int fullmm; /* non-zero means full mm flush */ unsigned long freed; struct page * pages[FREE_PTE_NR]; - unsigned long flushes;/* stats: count avoided flushes */ - unsigned long avoided_flushes; } mmu_gather_t; /* Users of the generic TLB shootdown code must declare this storage space. */ @@ -67,17 +65,10 @@ static inline mmu_gather_t *tlb_gather_mmu(struct mm_struct *mm, unsigned int fu static inline void tlb_flush_mmu(mmu_gather_t *tlb, unsigned long start, unsigned long end) { - unsigned long nr; - - if (!tlb->need_flush) { - tlb->avoided_flushes++; + if (!tlb->need_flush) return; - } tlb->need_flush = 0; - tlb->flushes++; - tlb_flush(tlb); - nr = tlb->nr; if (!tlb_fast_mode(tlb)) { free_pages_and_swap_cache(tlb->pages, tlb->nr); tlb->nr = 0; -- cgit v1.2.3