diff options
Diffstat (limited to 'include/asm-sparc64/tlb.h')
| -rw-r--r-- | include/asm-sparc64/tlb.h | 29 |
1 files changed, 8 insertions, 21 deletions
diff --git a/include/asm-sparc64/tlb.h b/include/asm-sparc64/tlb.h index 9baf57d..66138d9 100644 --- a/include/asm-sparc64/tlb.h +++ b/include/asm-sparc64/tlb.h @@ -25,9 +25,8 @@ struct mmu_gather { struct mm_struct *mm; unsigned int pages_nr; unsigned int need_flush; - unsigned int tlb_frozen; + unsigned int fullmm; unsigned int tlb_nr; - unsigned long freed; unsigned long vaddrs[TLB_BATCH_NR]; struct page *pages[FREE_PTE_NR]; }; @@ -44,14 +43,13 @@ extern void flush_tlb_pending(void); 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; - mp->tlb_frozen = full_mm_flush; - mp->freed = 0; + mp->fullmm = full_mm_flush; return mp; } @@ -78,30 +76,19 @@ 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) { - 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); - if (mp->tlb_frozen) { - if (CTX_VALID(mm->context)) - do_flush_tlb_mm(mm); - mp->tlb_frozen = 0; + if (mp->fullmm) { + if (CTX_VALID(mp->mm->context)) + do_flush_tlb_mm(mp->mm); + mp->fullmm = 0; } else 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) |
