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-rw-r--r--kernel/kexec_core.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/kernel/kexec_core.c b/kernel/kexec_core.c
index d65b0fc8fb48..3694d90c3722 100644
--- a/kernel/kexec_core.c
+++ b/kernel/kexec_core.c
@@ -1019,6 +1019,7 @@ int crash_shrink_memory(unsigned long new_size)
start = crashk_res.start;
end = crashk_res.end;
old_size = (end == 0) ? 0 : end - start + 1;
+ new_size = roundup(new_size, KEXEC_CRASH_MEM_ALIGN);
if (new_size >= old_size) {
ret = (new_size == old_size) ? 0 : -EINVAL;
goto unlock;
@@ -1030,9 +1031,7 @@ int crash_shrink_memory(unsigned long new_size)
goto unlock;
}
- start = roundup(start, KEXEC_CRASH_MEM_ALIGN);
- end = roundup(start + new_size, KEXEC_CRASH_MEM_ALIGN);
-
+ end = start + new_size;
crash_free_reserved_phys_range(end, crashk_res.end);
if ((start == end) && (crashk_res.parent != NULL))