x86: re-add clflush_cache_range()

Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
17 years ago · 4554ab95c2
parent b195bc00ef
commit 4554ab95c2
1 changed files with 8 additions and 0 deletions
--- 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>