From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758577Ab2K3PCm (ORCPT ); Fri, 30 Nov 2012 10:02:42 -0500 Received: from mga01.intel.com ([192.55.52.88]:57687 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753917Ab2K3PCl (ORCPT ); Fri, 30 Nov 2012 10:02:41 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.84,191,1355126400"; d="scan'208";a="255573138" From: "Kirill A. Shutemov" To: Jiri Slaby Cc: linux-mm@kvack.org, LKML , David Rientjes , Bob Liu , Andrew Morton , Andrea Arcangeli , "Kirill A. Shutemov" Subject: [PATCH 1/2] thp: fix anononymous page accounting in fallback path for COW of HZP Date: Fri, 30 Nov 2012 17:03:40 +0200 Message-Id: <1354287821-5925-2-git-send-email-kirill.shutemov@linux.intel.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1354287821-5925-1-git-send-email-kirill.shutemov@linux.intel.com> References: <50B52E17.8020205@suse.cz> <1354287821-5925-1-git-send-email-kirill.shutemov@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: "Kirill A. Shutemov" Don't forget to account newly allocated page in fallback path for copy-on-write of huge zero page. Signed-off-by: Kirill A. Shutemov --- mm/huge_memory.c | 1 + 1 file changed, 1 insertion(+) diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 57f0024..9d6f521 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -1164,6 +1164,7 @@ static int do_huge_pmd_wp_zero_page_fallback(struct mm_struct *mm, pmd_populate(mm, pmd, pgtable); spin_unlock(&mm->page_table_lock); put_huge_zero_page(); + inc_mm_counter(mm, MM_ANONPAGES); mmu_notifier_invalidate_range_end(mm, mmun_start, mmun_end); -- 1.7.11.7