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| author | Ingo Molnar <mingo@elte.hu> | 2008-09-05 09:24:30 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-09-05 09:24:30 +0200 |
| commit | d3d0ba7b8fb8f57c33207adcb41f40c176148c03 (patch) | |
| tree | 39a93460aa2c6eb8286fbba6c551f95443e175dd /include | |
| parent | 9042763808c5285a1a61b45b0fe98a710a4c903c (diff) | |
| parent | 63cc8c75156462d4b42cbdd76c293b7eee7ddbfe (diff) | |
| download | op-kernel-dev-d3d0ba7b8fb8f57c33207adcb41f40c176148c03.zip op-kernel-dev-d3d0ba7b8fb8f57c33207adcb41f40c176148c03.tar.gz | |
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')
| -rw-r--r-- | include/asm-generic/vmlinux.lds.h | 1 | ||||
| -rw-r--r-- | include/linux/percpu.h | 7 |
2 files changed, 8 insertions, 0 deletions
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index cb752ba..7440a0d 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -385,6 +385,7 @@ . = ALIGN(align); \ VMLINUX_SYMBOL(__per_cpu_start) = .; \ .data.percpu : AT(ADDR(.data.percpu) - LOAD_OFFSET) { \ + *(.data.percpu.page_aligned) \ *(.data.percpu) \ *(.data.percpu.shared_aligned) \ } \ diff --git a/include/linux/percpu.h b/include/linux/percpu.h index fac3337..9f2a375 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) |
