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authorDavid S. Miller <davem@davemloft.net>2009-03-29 01:40:34 -0700
committerDavid S. Miller <davem@davemloft.net>2009-03-29 01:40:34 -0700
commit13223cb02ccfa375f2d683d08d30db5b72264f1e (patch)
treed3fc7d803d22bbfe03b96cf0ba38041d42c8a1c2 /arch/x86/kernel/e820.c
parent1383bdb98c01bbd28d72336d1bf614ce79114d29 (diff)
parent07d43ba98621f08e252a48c96b258b4d572b0257 (diff)
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Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'arch/x86/kernel/e820.c')
-rw-r--r--arch/x86/kernel/e820.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
index e85826829cf..508bec1cee2 100644
--- a/arch/x86/kernel/e820.c
+++ b/arch/x86/kernel/e820.c
@@ -858,6 +858,9 @@ void __init reserve_early_overlap_ok(u64 start, u64 end, char *name)
*/
void __init reserve_early(u64 start, u64 end, char *name)
{
+ if (start >= end)
+ return;
+
drop_overlaps_that_are_ok(start, end);
__reserve_early(start, end, name, 0);
}