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-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 e85826829cf2..508bec1cee27 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);
}
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