The patch titled
Subject: mm/hmm.c: remove unneeded local variable ret
has been added to the -mm tree. Its filename is
mm-hmmc-remove-unneeded-local-variable-ret.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-hmmc-remove-unneeded-local-variable-ret.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-hmmc-remove-unneeded-local-variable-ret.patch
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------------------------------------------------------
From: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Subject: mm/hmm.c: remove unneeded local variable ret
The local variable ret is always 0. Remove it to make code more tight.
Link: https://lkml.kernel.org/r/20220125124833.39718-1-linmiaohe@xxxxxxxxxx
Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Reviewed-by: Muchun Song <songmuchun@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/hmm.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
--- a/mm/hmm.c~mm-hmmc-remove-unneeded-local-variable-ret
+++ a/mm/hmm.c
@@ -417,7 +417,6 @@ static int hmm_vma_walk_pud(pud_t *pudp,
struct hmm_range *range = hmm_vma_walk->range;
unsigned long addr = start;
pud_t pud;
- int ret = 0;
spinlock_t *ptl = pud_trans_huge_lock(pudp, walk->vma);
if (!ptl)
@@ -466,7 +465,7 @@ static int hmm_vma_walk_pud(pud_t *pudp,
out_unlock:
spin_unlock(ptl);
- return ret;
+ return 0;
}
#else
#define hmm_vma_walk_pud NULL
_
Patches currently in -mm which might be from linmiaohe@xxxxxxxxxx are
mm-vmalloc-remove-unneeded-function-forward-declaration.patch
mm-balloon_compaction-make-balloon-page-compaction-callbacks-static.patch
mm-hmmc-remove-unneeded-local-variable-ret.patch
