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[PATCH] x86_64: Relax SRAT covers all memory check a bit

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Code was refusing good SRATs because about 12K got lost somewhere.
Allow less than 1MB of difference before rejecting it.

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Andi Kleen 2006-02-16 23:42:13 +01:00 committed by Linus Torvalds
parent 6574ffd74b
commit fdb9df9424
1 changed files with 2 additions and 1 deletions
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arch/x86_64/mm/srat.c
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@ -228,7 +228,8 @@ static int nodes_cover_memory(void)
}
e820ram = end_pfn - e820_hole_size(0, end_pfn);
if (pxmram < e820ram) {
/* We seem to lose 3 pages somewhere. Allow a bit of slack. */
if ((long)(e820ram - pxmram) >= 1*1024*1024) {
printk(KERN_ERR
"SRAT: PXMs only cover %luMB of your %luMB e820 RAM. Not used.\n",
(pxmram << PAGE_SHIFT) >> 20,