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author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-14 11:01:28 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-14 11:01:28 -0400 |
commit | 55e0715f612f19b44c17497929091df2f3357e5d (patch) | |
tree | 31e139ebb4fcd98357b3af7af6c4becb41fa9563 /include/linux | |
parent | 7dfd54a905be0242bd604557d543c3a2d7b0a540 (diff) | |
parent | bdf977b37418cdf8a2252504779a7e12a09b7575 (diff) |
Merge branch 'x86-percpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-percpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86, percpu: Collect hot percpu variables into one cacheline
x86, percpu: Fix DECLARE/DEFINE_PER_CPU_PAGE_ALIGNED()
x86, percpu: Add 'percpu_read_stable()' interface for cacheable accesses
Diffstat (limited to 'include/linux')
-rw-r--r-- | include/linux/percpu-defs.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/include/linux/percpu-defs.h b/include/linux/percpu-defs.h index 3058cf9dd3d4..0761491b3eec 100644 --- a/include/linux/percpu-defs.h +++ b/include/linux/percpu-defs.h | |||
@@ -77,11 +77,13 @@ | |||
77 | /* | 77 | /* |
78 | * Declaration/definition used for per-CPU variables that must be page aligned. | 78 | * Declaration/definition used for per-CPU variables that must be page aligned. |
79 | */ | 79 | */ |
80 | #define DECLARE_PER_CPU_PAGE_ALIGNED(type, name) \ | 80 | #define DECLARE_PER_CPU_PAGE_ALIGNED(type, name) \ |
81 | DECLARE_PER_CPU_SECTION(type, name, ".page_aligned") | 81 | DECLARE_PER_CPU_SECTION(type, name, ".page_aligned") \ |
82 | __aligned(PAGE_SIZE) | ||
82 | 83 | ||
83 | #define DEFINE_PER_CPU_PAGE_ALIGNED(type, name) \ | 84 | #define DEFINE_PER_CPU_PAGE_ALIGNED(type, name) \ |
84 | DEFINE_PER_CPU_SECTION(type, name, ".page_aligned") | 85 | DEFINE_PER_CPU_SECTION(type, name, ".page_aligned") \ |
86 | __aligned(PAGE_SIZE) | ||
85 | 87 | ||
86 | /* | 88 | /* |
87 | * Intermodule exports for per-CPU variables. | 89 | * Intermodule exports for per-CPU variables. |