From mboxrd@z Thu Jan 1 00:00:00 1970 From: akpm@linux-foundation.org Subject: + mm-hugetlbfs-change-remove_from_page_cache.patch added to -mm tree Date: Mon, 07 Feb 2011 17:41:53 -0800 Message-ID: <201102080141.p181fsLf007630@imap1.linux-foundation.org> Reply-To: linux-kernel@vger.kernel.org Return-path: Received: from smtp1.linux-foundation.org ([140.211.169.13]:54868 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754425Ab1BHBqH (ORCPT ); Mon, 7 Feb 2011 20:46:07 -0500 Sender: mm-commits-owner@vger.kernel.org List-Id: mm-commits@vger.kernel.org To: mm-commits@vger.kernel.org Cc: minchan.kim@gmail.com, hannes@cmpxchg.org, hughd@google.com, kamezawa.hiroyu@jp.fujitsu.com, kosaki.motohiro@jp.fujitsu.com, mel@csn.ul.ie, wli@holomorphy.com The patch titled mm: hugetlbfs: Change remove_from_page_cache has been added to the -mm tree. Its filename is mm-hugetlbfs-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: hugetlbfs: Change remove_from_page_cache From: Minchan Kim 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 Cc: William Irwin Acked-by: Hugh Dickins Acked-by: Mel Gorman Reviewed-by: KAMEZAWA Hiroyuki Reviewed-by: Johannes Weiner Reviewed-by: KOSAKI Motohiro Signed-off-by: Andrew Morton --- fs/hugetlbfs/inode.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff -puN fs/hugetlbfs/inode.c~mm-hugetlbfs-change-remove_from_page_cache fs/hugetlbfs/inode.c --- a/fs/hugetlbfs/inode.c~mm-hugetlbfs-change-remove_from_page_cache +++ a/fs/hugetlbfs/inode.c @@ -332,8 +332,7 @@ static void truncate_huge_page(struct pa { cancel_dirty_page(page, /* No IO accounting for huge pages? */0); ClearPageUptodate(page); - remove_from_page_cache(page); - put_page(page); + delete_from_page_cache(page); } static void truncate_hugepages(struct inode *inode, loff_t lstart) _ Patches currently in -mm which might be from minchan.kim@gmail.com 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