X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-arm%2Ftlb.h;fp=include%2Fasm-arm%2Ftlb.h;h=c9677d0be8dd4c4ba90df190c6b2f43e911bcc7e;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=0bc7d055581b07baf7dcdef7532f43087f2d003a;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git diff --git a/include/asm-arm/tlb.h b/include/asm-arm/tlb.h index 0bc7d0555..c9677d0be 100644 --- a/include/asm-arm/tlb.h +++ b/include/asm-arm/tlb.h @@ -19,6 +19,14 @@ #include #include + +#ifndef CONFIG_MMU + +#include +#include + +#else /* !CONFIG_MMU */ + #include #include @@ -28,11 +36,7 @@ */ struct mmu_gather { struct mm_struct *mm; - unsigned int freed; unsigned int fullmm; - - unsigned int flushes; - unsigned int avoided_flushes; }; DECLARE_PER_CPU(struct mmu_gather, mmu_gathers); @@ -40,11 +44,9 @@ DECLARE_PER_CPU(struct mmu_gather, mmu_gathers); static inline struct mmu_gather * tlb_gather_mmu(struct mm_struct *mm, unsigned int full_mm_flush) { - int cpu = smp_processor_id(); - struct mmu_gather *tlb = &per_cpu(mmu_gathers, cpu); + struct mmu_gather *tlb = &get_cpu_var(mmu_gathers); tlb->mm = mm; - tlb->freed = 0; tlb->fullmm = full_mm_flush; return tlb; @@ -53,24 +55,13 @@ tlb_gather_mmu(struct mm_struct *mm, unsigned int full_mm_flush) static inline void tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end) { - struct mm_struct *mm = tlb->mm; - unsigned long freed = tlb->freed; - int rss = get_mm_counter(mm, rss); - - if (rss < freed) - freed = rss; - add_mm_counter(mm, rss, -freed); - if (tlb->fullmm) - flush_tlb_mm(mm); + flush_tlb_mm(tlb->mm); /* keep the page table cache within bounds */ check_pgt_cache(); -} -static inline unsigned int tlb_is_full_mm(struct mmu_gather *tlb) -{ - return tlb->fullmm; + put_cpu_var(mmu_gathers); } #define tlb_remove_tlb_entry(tlb,ptep,address) do { } while (0) @@ -100,4 +91,5 @@ tlb_end_vma(struct mmu_gather *tlb, struct vm_area_struct *vma) #define tlb_migrate_finish(mm) do { } while (0) +#endif /* CONFIG_MMU */ #endif