The patch titled Subject: writeback: remove unused variable has been added to the -mm tree. Its filename is writeback-remove-unused-variable.patch This patch should soon appear at http://ozlabs.org/~akpm/mmots/broken-out/writeback-remove-unused-variable.patch and later at http://ozlabs.org/~akpm/mmotm/broken-out/writeback-remove-unused-variable.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Chao Yu <yuchao0@xxxxxxxxxx> Subject: writeback: remove unused variable Commit 64081362e8ff ("mm/page-writeback.c: fix range_cyclic writeback vs writepages deadlock") left unused variable, remove it. Link: http://lkml.kernel.org/r/20200528033740.17269-1-yuchao0@xxxxxxxxxx Signed-off-by: Chao Yu <yuchao0@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/page-writeback.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) --- a/mm/page-writeback.c~writeback-remove-unused-variable +++ a/mm/page-writeback.c @@ -2164,7 +2164,6 @@ int write_cache_pages(struct address_spa int error; struct pagevec pvec; int nr_pages; - pgoff_t uninitialized_var(writeback_index); pgoff_t index; pgoff_t end; /* Inclusive */ pgoff_t done_index; @@ -2173,8 +2172,7 @@ int write_cache_pages(struct address_spa pagevec_init(&pvec); if (wbc->range_cyclic) { - writeback_index = mapping->writeback_index; /* prev offset */ - index = writeback_index; + index = mapping->writeback_index; /* prev offset */ end = -1; } else { index = wbc->range_start >> PAGE_SHIFT; _ Patches currently in -mm which might be from yuchao0@xxxxxxxxxx are writeback-remove-unused-variable.patch