diff options
Diffstat (limited to 'include/asm-arm/tlb.h')
-rw-r--r-- | include/asm-arm/tlb.h | 23 |
1 files changed, 3 insertions, 20 deletions
diff --git a/include/asm-arm/tlb.h b/include/asm-arm/tlb.h index 9bb325c54645..f49bfb78c221 100644 --- a/include/asm-arm/tlb.h +++ b/include/asm-arm/tlb.h | |||
@@ -27,11 +27,7 @@ | |||
27 | */ | 27 | */ |
28 | struct mmu_gather { | 28 | struct mmu_gather { |
29 | struct mm_struct *mm; | 29 | struct mm_struct *mm; |
30 | unsigned int freed; | ||
31 | unsigned int fullmm; | 30 | unsigned int fullmm; |
32 | |||
33 | unsigned int flushes; | ||
34 | unsigned int avoided_flushes; | ||
35 | }; | 31 | }; |
36 | 32 | ||
37 | DECLARE_PER_CPU(struct mmu_gather, mmu_gathers); | 33 | DECLARE_PER_CPU(struct mmu_gather, mmu_gathers); |
@@ -39,11 +35,9 @@ DECLARE_PER_CPU(struct mmu_gather, mmu_gathers); | |||
39 | static inline struct mmu_gather * | 35 | static inline struct mmu_gather * |
40 | tlb_gather_mmu(struct mm_struct *mm, unsigned int full_mm_flush) | 36 | tlb_gather_mmu(struct mm_struct *mm, unsigned int full_mm_flush) |
41 | { | 37 | { |
42 | int cpu = smp_processor_id(); | 38 | struct mmu_gather *tlb = &get_cpu_var(mmu_gathers); |
43 | struct mmu_gather *tlb = &per_cpu(mmu_gathers, cpu); | ||
44 | 39 | ||
45 | tlb->mm = mm; | 40 | tlb->mm = mm; |
46 | tlb->freed = 0; | ||
47 | tlb->fullmm = full_mm_flush; | 41 | tlb->fullmm = full_mm_flush; |
48 | 42 | ||
49 | return tlb; | 43 | return tlb; |
@@ -52,24 +46,13 @@ tlb_gather_mmu(struct mm_struct *mm, unsigned int full_mm_flush) | |||
52 | static inline void | 46 | static inline void |
53 | tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end) | 47 | tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end) |
54 | { | 48 | { |
55 | struct mm_struct *mm = tlb->mm; | ||
56 | unsigned long freed = tlb->freed; | ||
57 | int rss = get_mm_counter(mm, rss); | ||
58 | |||
59 | if (rss < freed) | ||
60 | freed = rss; | ||
61 | add_mm_counter(mm, rss, -freed); | ||
62 | |||
63 | if (tlb->fullmm) | 49 | if (tlb->fullmm) |
64 | flush_tlb_mm(mm); | 50 | flush_tlb_mm(tlb->mm); |
65 | 51 | ||
66 | /* keep the page table cache within bounds */ | 52 | /* keep the page table cache within bounds */ |
67 | check_pgt_cache(); | 53 | check_pgt_cache(); |
68 | } | ||
69 | 54 | ||
70 | static inline unsigned int tlb_is_full_mm(struct mmu_gather *tlb) | 55 | put_cpu_var(mmu_gathers); |
71 | { | ||
72 | return tlb->fullmm; | ||
73 | } | 56 | } |
74 | 57 | ||
75 | #define tlb_remove_tlb_entry(tlb,ptep,address) do { } while (0) | 58 | #define tlb_remove_tlb_entry(tlb,ptep,address) do { } while (0) |