Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753378AbbGMVMo (ORCPT ); Mon, 13 Jul 2015 17:12:44 -0400 Received: from mta-out1.inet.fi ([62.71.2.229]:51430 "EHLO johanna4.inet.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751117AbbGMVMn (ORCPT ); Mon, 13 Jul 2015 17:12:43 -0400 RazorGate-KAS: Rate: 5 RazorGate-KAS: {RECEIVED: dynamic ip detected} RazorGate-KAS: Envelope from: RazorGate-KAS: Version: 5.5.3 RazorGate-KAS: LuaCore: 215 2015-05-29_17-31-22 60ae4a1b4d01d14f868b20a55aced8d7df7b2e28 RazorGate-KAS: Method: none RazorGate-KAS: Lua profiles 78662 [Jun 02 2015] RazorGate-KAS: Status: not_detected Date: Tue, 14 Jul 2015 00:07:27 +0300 From: "Kirill A. Shutemov" To: Ebru Akagunduz Cc: linux-mm@kvack.org, akpm@linux-foundation.org, kirill.shutemov@linux.intel.com, n-horiguchi@ah.jp.nec.com, aarcange@redhat.com, riel@redhat.com, iamjoonsoo.kim@lge.com, xiexiuqi@huawei.com, gorcunov@openvz.org, linux-kernel@vger.kernel.org, mgorman@suse.de, rientjes@google.com, vbabka@suse.cz, aneesh.kumar@linux.vnet.ibm.com, hughd@google.com, hannes@cmpxchg.org, mhocko@suse.cz, boaz@plexistor.com, raindel@mellanox.com Subject: Re: [RFC v3 2/3] mm: make optimistic check for swapin readahead Message-ID: <20150713210727.GA1352@node.dhcp.inet.fi> References: <1436819284-3964-1-git-send-email-ebru.akagunduz@gmail.com> <1436819284-3964-3-git-send-email-ebru.akagunduz@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1436819284-3964-3-git-send-email-ebru.akagunduz@gmail.com> User-Agent: Mutt/1.5.23.1 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1113 Lines: 35 On Mon, Jul 13, 2015 at 11:28:03PM +0300, Ebru Akagunduz wrote: > diff --git a/mm/huge_memory.c b/mm/huge_memory.c > index 595edd9..b4cef9d 100644 > --- a/mm/huge_memory.c > +++ b/mm/huge_memory.c > @@ -24,6 +24,7 @@ > #include > #include > #include > +#include > > #include > #include > @@ -2671,11 +2672,11 @@ static int khugepaged_scan_pmd(struct mm_struct *mm, > { > pmd_t *pmd; > pte_t *pte, *_pte; > - int ret = 0, none_or_zero = 0; > + int ret = 0, none_or_zero = 0, unmapped = 0; > struct page *page = NULL; > unsigned long _address; > spinlock_t *ptl; > - int node = NUMA_NO_NODE; > + int node = NUMA_NO_NODE, max_ptes_swap = HPAGE_PMD_NR/8; So, you've decide to ignore knob request for max_ptes_swap. Why? -- Kirill A. Shutemov -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/