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authorIngo Molnar <mingo@elte.hu>2008-01-30 13:34:03 +0100
committerIngo Molnar <mingo@elte.hu>2008-01-30 13:34:03 +0100
commit4554ab95c2b9d6b0ee9cf2a7ed3df665422acebb (patch)
treebcca816c76c4ab27b174c881f7c6c08feacf571a /arch/x86/mm/pageattr.c
parentb195bc00ef8c2ccf8cc744e5ff9470cb08b45d76 (diff)
downloadlwn-4554ab95c2b9d6b0ee9cf2a7ed3df665422acebb.tar.gz
lwn-4554ab95c2b9d6b0ee9cf2a7ed3df665422acebb.zip
x86: re-add clflush_cache_range()
Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/mm/pageattr.c')
-rw-r--r--arch/x86/mm/pageattr.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
index 251613449dd6..510ff4091667 100644
--- a/arch/x86/mm/pageattr.c
+++ b/arch/x86/mm/pageattr.c
@@ -9,6 +9,14 @@
#include <linux/slab.h>
#include <linux/mm.h>
+void clflush_cache_range(void *addr, int size)
+{
+ int i;
+
+ for (i = 0; i < size; i += boot_cpu_data.x86_clflush_size)
+ clflush(addr+i);
+}
+
#include <asm/processor.h>
#include <asm/tlbflush.h>
#include <asm/sections.h>