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[PATCH] i386: mtrr range check correction

Whether a region is below 1Mb is determined by its start rather than
its end.

This hunk got erroneously dropped from a previous patch.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Jan Beulich 18 ani în urmă
părinte
comite
9215da3320
1 a modificat fișierele cu 1 adăugiri și 1 ștergeri
  1. 1 1
      arch/i386/kernel/cpu/mtrr/generic.c

+ 1 - 1
arch/i386/kernel/cpu/mtrr/generic.c

@@ -428,7 +428,7 @@ int generic_validate_add_page(unsigned long base, unsigned long size, unsigned i
 		}
 	}
 
-	if (base + size < 0x100) {
+	if (base < 0x100) {
 		printk(KERN_WARNING "mtrr: cannot set region below 1 MiB (0x%lx000,0x%lx000)\n",
 		       base, size);
 		return -EINVAL;