The patch titled mm: truncate: Change remove_from_page_cache has been added to the -mm tree. Its filename is mm-truncate-change-remove_from_page_cache.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/SubmitChecklist when testing your code *** See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find out what to do about this The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: mm: truncate: Change remove_from_page_cache From: Minchan Kim <minchan.kim@xxxxxxxxx> This patch series changes remove_from_page_cache()'s page ref counting rule. Page cache ref count is decreased in delete_from_page_cache(). So we don't need to decrease the page reference in callers. Signed-off-by: Minchan Kim <minchan.kim@xxxxxxxxx> Cc: Dan Magenheimer <dan.magenheimer@xxxxxxxxxx> Cc: Andi Kleen <andi@xxxxxxxxxxxxxx> Cc: Nick Piggin <npiggin@xxxxxxxxx> Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx> Acked-by: Hugh Dickins <hughd@xxxxxxxxxx> Acked-by: Mel Gorman <mel@xxxxxxxxx> Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> Reviewed-by: Johannes Weiner <hannes@xxxxxxxxxxx> Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/truncate.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff -puN mm/truncate.c~mm-truncate-change-remove_from_page_cache mm/truncate.c --- a/mm/truncate.c~mm-truncate-change-remove_from_page_cache +++ a/mm/truncate.c @@ -108,13 +108,12 @@ truncate_complete_page(struct address_sp cancel_dirty_page(page, PAGE_CACHE_SIZE); clear_page_mlock(page); - remove_from_page_cache(page); + delete_from_page_cache(page); ClearPageMappedToDisk(page); - /* this must be after the remove_from_page_cache which + /* this must be after the delete_from_page_cache which * calls cleancache_put_page (and note page->mapping is now NULL) */ cleancache_flush_page(mapping, page); - page_cache_release(page); /* pagecache ref */ return 0; } _ Patches currently in -mm which might be from minchan.kim@xxxxxxxxx are origin.patch linux-next.patch mm-vmap-area-cache.patch mm-compaction-check-migrate_pagess-return-value-instead-of-list_empty.patch mm-add-replace_page_cache_page-function-add-freepage-hook.patch mm-introduce-delete_from_page_cache.patch mm-hugetlbfs-change-remove_from_page_cache.patch mm-shmem-change-remove_from_page_cache.patch mm-truncate-change-remove_from_page_cache.patch mm-good-bye-remove_from_page_cache.patch mm-change-__remove_from_page_cache.patch memcg-res_counter_read_u64-fix-potential-races-on-32-bit-machines.patch memcg-soft-limit-reclaim-should-end-at-limit-not-below.patch memcg-simplify-the-way-memory-limits-are-checked.patch memcg-remove-unused-page-flag-bitfield-defines.patch memcg-remove-impossible-conditional-when-committing.patch memcg-remove-null-check-from-lookup_page_cgroup-result.patch memcg-add-memcg-sanity-checks-at-allocating-and-freeing-pages.patch memcg-add-memcg-sanity-checks-at-allocating-and-freeing-pages-update.patch memcg-no-uncharged-pages-reach-page_cgroup_zoneinfo.patch memcg-change-page_cgroup_zoneinfo-signature.patch memcg-fold-__mem_cgroup_move_account-into-caller.patch memcg-condense-page_cgroup-to-page-lookup-points.patch memcg-remove-direct-page_cgroup-to-page-pointer.patch memcg-remove-direct-page_cgroup-to-page-pointer-fix.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html