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| author | Andi Kleen <ak@suse.de> | 2006-02-16 23:42:13 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-02-17 08:00:41 -0800 |
| commit | fdb9df942437c6c5d1a6928d5fff824466c3af67 (patch) | |
| tree | b9f357f5f563a444dde16f1ffbf9bc503a55b9c6 /arch | |
| parent | 6574ffd74b03e35026f428a2c820e6ddf45d426c (diff) | |
| download | linux-3.10-fdb9df942437c6c5d1a6928d5fff824466c3af67.tar.gz linux-3.10-fdb9df942437c6c5d1a6928d5fff824466c3af67.tar.bz2 linux-3.10-fdb9df942437c6c5d1a6928d5fff824466c3af67.zip | |
[PATCH] x86_64: Relax SRAT covers all memory check a bit
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>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86_64/mm/srat.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86_64/mm/srat.c b/arch/x86_64/mm/srat.c index cd25300726f..809dc70675f 100644 --- a/arch/x86_64/mm/srat.c +++ b/arch/x86_64/mm/srat.c @@ -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, |