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authorFenghua Yu <fenghua.yu@intel.com>2007-07-19 01:48:13 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-19 10:04:45 -0700
commitf34e3b61f2be9628bd41244f3ecc42009c5eced5 (patch)
tree192a64c12f84b3d69b9bf12ba56c2c7d86bc269b /arch/x86_64/kernel/init_task.c
parent5fb7dc37dc16fbc8b80d81318a582201ef7e280d (diff)
downloadlinux-2.6.34-ux500-f34e3b61f2be9628bd41244f3ecc42009c5eced5.tar.gz
use the new percpu interface for shared data
Currently most of the per cpu data, which is accessed by different cpus, has a ____cacheline_aligned_in_smp attribute. Move all this data to the new per cpu shared data section: .data.percpu.shared_aligned. This will seperate the percpu data which is referenced frequently by other cpus from the local only percpu data. Signed-off-by: Fenghua Yu <fenghua.yu@intel.com> Acked-by: Suresh Siddha <suresh.b.siddha@intel.com> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Christoph Lameter <clameter@sgi.com> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/x86_64/kernel/init_task.c')
-rw-r--r--arch/x86_64/kernel/init_task.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86_64/kernel/init_task.c b/arch/x86_64/kernel/init_task.c
index 3dc5854ba21..4ff33d4f855 100644
--- a/arch/x86_64/kernel/init_task.c
+++ b/arch/x86_64/kernel/init_task.c
@@ -44,7 +44,7 @@ EXPORT_SYMBOL(init_task);
* section. Since TSS's are completely CPU-local, we want them
* on exact cacheline boundaries, to eliminate cacheline ping-pong.
*/
-DEFINE_PER_CPU(struct tss_struct, init_tss) ____cacheline_internodealigned_in_smp = INIT_TSS;
+DEFINE_PER_CPU_SHARED_ALIGNED(struct tss_struct, init_tss) = INIT_TSS;
/* Copies of the original ist values from the tss are only accessed during
* debugging, no special alignment required.