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authorPekka Enberg <penberg@cs.helsinki.fi>2008-04-28 13:12:22 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-04-28 19:58:19 +0400
commit1b27d05b6e21249d2338be26dfcbe8f8d8ff8a5b (patch)
treec5413d5f64efed1aa84bfa0ab718f1e2a2f6f9cb /arch
parent19fc3f0acde32636529969570055c7e2a744787c (diff)
downloadlinux-1b27d05b6e21249d2338be26dfcbe8f8d8ff8a5b.tar.xz
mm: move cache_line_size() to <linux/cache.h>
Not all architectures define cache_line_size() so as suggested by Andrew move the private implementations in mm/slab.c and mm/slob.c to <linux/cache.h>. Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Reviewed-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/Kconfig3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index e5790fe9e330..a8ce13a54764 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -114,6 +114,9 @@ config GENERIC_TIME_VSYSCALL
config ARCH_HAS_CPU_RELAX
def_bool y
+config ARCH_HAS_CACHE_LINE_SIZE
+ def_bool y
+
config HAVE_SETUP_PER_CPU_AREA
def_bool X86_64 || (X86_SMP && !X86_VOYAGER)