[PATCH] x86: mtrr range check correction

From: Jan Beulich
Date: Wed Feb 14 2007 - 02:43:47 EST


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@xxxxxxxxxx>

--- linux-2.6.20/arch/i386/kernel/cpu/mtrr/generic.c 2007-02-04 19:44:54.000000000 +0100
+++ 2.6.20-x86-mtrr-range-check/arch/i386/kernel/cpu/mtrr/generic.c 2007-02-09 10:17:26.000000000 +0100
@@ -428,7 +428,7 @@ int generic_validate_add_page(unsigned l
}
}

- 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;


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