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Diffstat (limited to 'arch/x86/kernel/e820_32.c')
-rw-r--r--arch/x86/kernel/e820_32.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/kernel/e820_32.c b/arch/x86/kernel/e820_32.c
index 857f706273a..751d517d802 100644
--- a/arch/x86/kernel/e820_32.c
+++ b/arch/x86/kernel/e820_32.c
@@ -797,7 +797,8 @@ u64 __init update_memory_range(u64 start, u64 size, unsigned old_type,
if (ei->type != old_type)
continue;
/* totally covered? */
- if (ei->addr >= start && ei->size <= size) {
+ if (ei->addr >= start &&
+ (ei->addr + ei->size) <= (start + size)) {
ei->type = new_type;
real_updated_size += ei->size;
continue;