diff options
Diffstat (limited to 'include/asm-generic/tlb.h')
-rw-r--r-- | include/asm-generic/tlb.h | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/include/asm-generic/tlb.h b/include/asm-generic/tlb.h index 7d0298347ee7..c8232622c8d9 100644 --- a/include/asm-generic/tlb.h +++ b/include/asm-generic/tlb.h | |||
@@ -35,9 +35,7 @@ | |||
35 | #endif | 35 | #endif |
36 | 36 | ||
37 | /* struct mmu_gather is an opaque type used by the mm code for passing around | 37 | /* struct mmu_gather is an opaque type used by the mm code for passing around |
38 | * any data needed by arch specific code for tlb_remove_page. This structure | 38 | * any data needed by arch specific code for tlb_remove_page. |
39 | * can be per-CPU or per-MM as the page table lock is held for the duration of | ||
40 | * TLB shootdown. | ||
41 | */ | 39 | */ |
42 | struct mmu_gather { | 40 | struct mmu_gather { |
43 | struct mm_struct *mm; | 41 | struct mm_struct *mm; |
@@ -57,7 +55,7 @@ DECLARE_PER_CPU(struct mmu_gather, mmu_gathers); | |||
57 | static inline struct mmu_gather * | 55 | static inline struct mmu_gather * |
58 | tlb_gather_mmu(struct mm_struct *mm, unsigned int full_mm_flush) | 56 | tlb_gather_mmu(struct mm_struct *mm, unsigned int full_mm_flush) |
59 | { | 57 | { |
60 | struct mmu_gather *tlb = &per_cpu(mmu_gathers, smp_processor_id()); | 58 | struct mmu_gather *tlb = &get_cpu_var(mmu_gathers); |
61 | 59 | ||
62 | tlb->mm = mm; | 60 | tlb->mm = mm; |
63 | 61 | ||
@@ -85,7 +83,7 @@ tlb_flush_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end) | |||
85 | 83 | ||
86 | /* tlb_finish_mmu | 84 | /* tlb_finish_mmu |
87 | * Called at the end of the shootdown operation to free up any resources | 85 | * Called at the end of the shootdown operation to free up any resources |
88 | * that were required. The page table lock is still held at this point. | 86 | * that were required. |
89 | */ | 87 | */ |
90 | static inline void | 88 | static inline void |
91 | tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end) | 89 | tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end) |
@@ -101,6 +99,8 @@ tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end) | |||
101 | 99 | ||
102 | /* keep the page table cache within bounds */ | 100 | /* keep the page table cache within bounds */ |
103 | check_pgt_cache(); | 101 | check_pgt_cache(); |
102 | |||
103 | put_cpu_var(mmu_gathers); | ||
104 | } | 104 | } |
105 | 105 | ||
106 | static inline unsigned int | 106 | static inline unsigned int |