The patch titled Subject: mm/rmap.c: remove set but not used variable 'cstart' has been removed from the -mm tree. Its filename was mm-rmapc-remove-set-but-not-used-variable-cstart.patch This patch was dropped because it was merged into mainline or a subsystem tree ------------------------------------------------------ From: YueHaibing <yuehaibing@xxxxxxxxxx> Subject: 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@xxxxxxxxxx Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx> Reported-by: Hulk Robot <hulkci@xxxxxxxxxx> Reviewed-by: Mike Kravetz <mike.kravetz@xxxxxxxxxx> Reviewed-by: Kirill Tkhai <ktkhai@xxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/rmap.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) --- a/mm/rmap.c~mm-rmapc-remove-set-but-not-used-variable-cstart +++ a/mm/rmap.c @@ -903,10 +903,9 @@ static bool page_mkclean_one(struct page 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 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? */ _ Patches currently in -mm which might be from yuehaibing@xxxxxxxxxx are