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authorIngo Molnar <mingo@elte.hu>2008-09-05 09:24:30 +0200
committerIngo Molnar <mingo@elte.hu>2008-09-05 09:24:30 +0200
commitd3d0ba7b8fb8f57c33207adcb41f40c176148c03 (patch)
tree39a93460aa2c6eb8286fbba6c551f95443e175dd /include/linux/percpu.h
parent9042763808c5285a1a61b45b0fe98a710a4c903c (diff)
parent63cc8c75156462d4b42cbdd76c293b7eee7ddbfe (diff)
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Merge commit '63cc8c75156462d4b42cbdd76c293b7eee7ddbfe':
"percpu: introduce DEFINE_PER_CPU_PAGE_ALIGNED() macro" into x86/core Conflicts: arch/x86/kernel/cpu/common.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/percpu.h')
-rw-r--r--include/linux/percpu.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/percpu.h b/include/linux/percpu.h
index fac3337547e..9f2a3751873 100644
--- a/include/linux/percpu.h
+++ b/include/linux/percpu.h
@@ -23,12 +23,19 @@
__attribute__((__section__(SHARED_ALIGNED_SECTION))) \
PER_CPU_ATTRIBUTES __typeof__(type) per_cpu__##name \
____cacheline_aligned_in_smp
+
+#define DEFINE_PER_CPU_PAGE_ALIGNED(type, name) \
+ __attribute__((__section__(".data.percpu.page_aligned"))) \
+ PER_CPU_ATTRIBUTES __typeof__(type) per_cpu__##name
#else
#define DEFINE_PER_CPU(type, name) \
PER_CPU_ATTRIBUTES __typeof__(type) per_cpu__##name
#define DEFINE_PER_CPU_SHARED_ALIGNED(type, name) \
DEFINE_PER_CPU(type, name)
+
+#define DEFINE_PER_CPU_PAGE_ALIGNED(type, name) \
+ DEFINE_PER_CPU(type, name)
#endif
#define EXPORT_PER_CPU_SYMBOL(var) EXPORT_SYMBOL(per_cpu__##var)