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Subject[PATCH] mm/hugetlb.c: remove dead store in demote_size_show()
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The command "make clang-analyzer" detected a dead store.

Remove demote_size and corresponding assignment in function
demote_size_show() to fix dead store, as demote_size is never read.

Signed-off-by: Nghia Le <nghialm78@gmail.com>
---
mm/hugetlb.c | 2 --
1 file changed, 2 deletions(-)

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 993efa70bce4..ef00e6ad0f6a 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -3706,11 +3706,9 @@ static ssize_t demote_size_show(struct kobject *kobj,
struct kobj_attribute *attr, char *buf)
{
struct hstate *h;
- unsigned long demote_size;
int nid;

h = kobj_to_hstate(kobj, &nid);
- demote_size = h->demote_order;

return sysfs_emit(buf, "%lukB\n",
(unsigned long)(PAGE_SIZE << h->demote_order) / SZ_1K);
--
2.25.1
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