From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754408AbbJSSNL (ORCPT ); Mon, 19 Oct 2015 14:13:11 -0400 Received: from gum.cmpxchg.org ([85.214.110.215]:49023 "EHLO gum.cmpxchg.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752150AbbJSSNJ (ORCPT ); Mon, 19 Oct 2015 14:13:09 -0400 From: Johannes Weiner To: Andrew Morton Cc: Vladimir Davydov , linux-mm@kvack.org, cgroups@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] mm: vmpressure: fix scan window after SWAP_CLUSTER_MAX increase Date: Mon, 19 Oct 2015 14:13:01 -0400 Message-Id: <1445278381-21033-1-git-send-email-hannes@cmpxchg.org> X-Mailer: git-send-email 2.6.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org mm-increase-swap_cluster_max-to-batch-tlb-flushes.patch changed SWAP_CLUSTER_MAX from 32 pages to 256 pages, inadvertantly switching the scan window for vmpressure detection from 2MB to 16MB. Revert. Signed-off-by: Johannes Weiner --- mm/vmpressure.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/vmpressure.c b/mm/vmpressure.c index c5afd57..74f206b 100644 --- a/mm/vmpressure.c +++ b/mm/vmpressure.c @@ -38,7 +38,7 @@ * TODO: Make the window size depend on machine size, as we do for vmstat * thresholds. Currently we set it to 512 pages (2MB for 4KB pages). */ -static const unsigned long vmpressure_win = SWAP_CLUSTER_MAX * 16; +static const unsigned long vmpressure_win = SWAP_CLUSTER_MAX; /* * These thresholds are used when we account memory pressure through -- 2.6.1