From mboxrd@z Thu Jan 1 00:00:00 1970 From: akpm@linux-foundation.org Subject: + mm-mempolicy-check-return-code-of-check_range.patch added to -mm tree Date: Wed, 08 Sep 2010 13:12:39 -0700 Message-ID: <201009082012.o88KCdKC006391@imap1.linux-foundation.org> Reply-To: linux-kernel@vger.kernel.org Return-path: Received: from smtp1.linux-foundation.org ([140.211.169.13]:50496 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754384Ab0IHUNY (ORCPT ); Wed, 8 Sep 2010 16:13:24 -0400 Sender: mm-commits-owner@vger.kernel.org List-Id: mm-commits@vger.kernel.org To: mm-commits@vger.kernel.org Cc: segooon@gmail.com, cl@linux.com, kosaki.motohiro@jp.fujitsu.com, rientjes@google.com The patch titled mm/mempolicy.c: check return code of check_range has been added to the -mm tree. Its filename is mm-mempolicy-check-return-code-of-check_range.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/mempolicy.c: check return code of check_range From: Vasiliy Kulikov Function check_range may return ERR_PTR(...). Check for it. Signed-off-by: Vasiliy Kulikov Acked-by: David Rientjes Reviewed-by: Christoph Lameter Reviewed-by: KOSAKI Motohiro Signed-off-by: Andrew Morton --- mm/mempolicy.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff -puN mm/mempolicy.c~mm-mempolicy-check-return-code-of-check_range mm/mempolicy.c --- a/mm/mempolicy.c~mm-mempolicy-check-return-code-of-check_range +++ a/mm/mempolicy.c @@ -924,12 +924,15 @@ static int migrate_to_node(struct mm_str nodemask_t nmask; LIST_HEAD(pagelist); int err = 0; + struct vm_area_struct *vma; nodes_clear(nmask); node_set(source, nmask); - check_range(mm, mm->mmap->vm_start, mm->task_size, &nmask, + vma = check_range(mm, mm->mmap->vm_start, mm->task_size, &nmask, flags | MPOL_MF_DISCONTIG_OK, &pagelist); + if (IS_ERR(vma)) + return PTR_ERR(vma); if (!list_empty(&pagelist)) err = migrate_pages(&pagelist, new_node_page, dest, 0); _ Patches currently in -mm which might be from segooon@gmail.com are linux-next.patch md-check-return-code-of-read_sb_page.patch mm-mempolicy-check-return-code-of-check_range.patch