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| author | YueHaibing <yuehaibing@huawei.com> | 2019-09-24 01:34:22 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-09-25 01:54:08 +0300 |
| commit | 1f18b296699c83d858ca8ebb8b77dbc641d87cae (patch) | |
| tree | fac9a71aea09ea43fb1a8cd2f6d6d589effe9a61 /mm/rmap.c | |
| parent | dbf7684e29d171180346b25d2a124c2a0adf563e (diff) | |
| download | linux-1f18b296699c83d858ca8ebb8b77dbc641d87cae.tar.xz | |
mm/rmap.c: remove set but not used variable 'cstart'
Fixes gcc '-Wunused-but-set-variable' warning:
mm/rmap.c: In function page_mkclean_one:
mm/rmap.c:906:17: warning: variable cstart set but not used [-Wunused-but-set-variable]
It is not used any more since
commit cdb07bdea28e ("mm/rmap.c: remove redundant variable cend")
Link: http://lkml.kernel.org/r/20190724141453.38536-1-yuehaibing@huawei.com
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reported-by: Hulk Robot <hulkci@huawei.com>
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
Reviewed-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/rmap.c')
| -rw-r--r-- | mm/rmap.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/mm/rmap.c b/mm/rmap.c index 003377e24232..31352bba197d 100644 --- a/mm/rmap.c +++ b/mm/rmap.c @@ -903,10 +903,9 @@ static bool page_mkclean_one(struct page *page, struct vm_area_struct *vma, mmu_notifier_invalidate_range_start(&range); while (page_vma_mapped_walk(&pvmw)) { - unsigned long cstart; int ret = 0; - cstart = address = pvmw.address; + address = pvmw.address; if (pvmw.pte) { pte_t entry; pte_t *pte = pvmw.pte; @@ -933,7 +932,6 @@ static bool page_mkclean_one(struct page *page, struct vm_area_struct *vma, entry = pmd_wrprotect(entry); entry = pmd_mkclean(entry); set_pmd_at(vma->vm_mm, address, pmd, entry); - cstart &= PMD_MASK; ret = 1; #else /* unexpected pmd-mapped page? */ |