The lower bounds of crash kernel reservation and crash kernel low
reservation are different, use the consistent value CRASH_ALIGN.

Suggested-by: Dave Young <dyo...@redhat.com>
Signed-off-by: Chen Zhou <chenzho...@huawei.com>
Tested-by: John Donnelly <john.p.donne...@oracle.com>
---
 arch/x86/kernel/setup.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index da769845597d..27470479e4a3 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -439,7 +439,8 @@ static int __init reserve_crashkernel_low(void)
                        return 0;
        }
 
-       low_base = memblock_phys_alloc_range(low_size, CRASH_ALIGN, 0, 
CRASH_ADDR_LOW_MAX);
+       low_base = memblock_phys_alloc_range(low_size, CRASH_ALIGN, CRASH_ALIGN,
+                       CRASH_ADDR_LOW_MAX);
        if (!low_base) {
                pr_err("Cannot reserve %ldMB crashkernel low memory, please try 
smaller size.\n",
                       (unsigned long)(low_size >> 20));
-- 
2.20.1

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