From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
Variable cend is set but never read, hence it is redundant and can be
removed.
Cleans up clang build warning: Value stored to 'cend' is never read
Fixes: 369ea8242c0f ("mm/rmap: update to new mmu_notifier semantic v2")
Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
---
mm/rmap.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/mm/rmap.c b/mm/rmap.c
index 787c07fb37dc..ffbea6a9e12d 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -899,7 +899,7 @@ static bool page_mkclean_one(struct page *page, struct vm_area_struct *vma,
mmu_notifier_invalidate_range_start(vma->vm_mm, start, end);
while (page_vma_mapped_walk(&pvmw)) {
- unsigned long cstart, cend;
+ unsigned long cstart;
int ret = 0;
cstart = address = pvmw.address;
@@ -915,7 +915,6 @@ static bool page_mkclean_one(struct page *page, struct vm_area_struct *vma,
entry = pte_wrprotect(entry);
entry = pte_mkclean(entry);
set_pte_at(vma->vm_mm, address, pte, entry);
- cend = cstart + PAGE_SIZE;
ret = 1;
} else {
#ifdef CONFIG_TRANSPARENT_HUGE_PAGECACHE
@@ -931,7 +930,6 @@ static bool page_mkclean_one(struct page *page, struct vm_area_struct *vma,
entry = pmd_mkclean(entry);
set_pmd_at(vma->vm_mm, address, pmd, entry);
cstart &= PMD_MASK;
- cend = cstart + PMD_SIZE;
ret = 1;
#else
/* unexpected pmd-mapped page? */
--
2.14.1
--
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