From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753237AbbBZGO6 (ORCPT ); Thu, 26 Feb 2015 01:14:58 -0500 Received: from mail-la0-f43.google.com ([209.85.215.43]:39195 "EHLO mail-la0-f43.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753090AbbBZGO4 (ORCPT ); Thu, 26 Feb 2015 01:14:56 -0500 Subject: [PATCH] mm: completely remove dumping per-cpu lists from show_mem() From: Konstantin Khlebnikov To: linux-mm@kvack.org, Andrew Morton , linux-kernel@vger.kernel.org Cc: Michal Hocko Date: Thu, 26 Feb 2015 09:14:54 +0300 Message-ID: <20150226061454.24653.49733.stgit@zurg> In-Reply-To: <20150225134426.d907ecb7130d12dc8ad97c90@linux-foundation.org> References: <20150225134426.d907ecb7130d12dc8ad97c90@linux-foundation.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org It seems nobody needs this. Signed-off-by: Konstantin Khlebnikov --- include/linux/mm.h | 1 - mm/page_alloc.c | 22 ++-------------------- 2 files changed, 2 insertions(+), 21 deletions(-) diff --git a/include/linux/mm.h b/include/linux/mm.h index 9c21b42..6571dd78 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1126,7 +1126,6 @@ extern void pagefault_out_of_memory(void); * various contexts. */ #define SHOW_MEM_FILTER_NODES (0x0001u) /* disallowed nodes */ -#define SHOW_MEM_PERCPU_LISTS (0x0002u) /* per-zone per-cpu */ extern void show_free_areas(unsigned int flags); extern bool skip_free_areas_node(unsigned int flags, int nid); diff --git a/mm/page_alloc.c b/mm/page_alloc.c index a120bce..8ddcb0e 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -3254,7 +3254,6 @@ static void show_migration_types(unsigned char type) * Bits in @filter: * SHOW_MEM_FILTER_NODES: suppress nodes that are not allowed by current's * cpuset. - * SHOW_MEM_PERCPU_LISTS: display full per-node per-cpu pcp lists */ void show_free_areas(unsigned int filter) { @@ -3266,25 +3265,8 @@ void show_free_areas(unsigned int filter) if (skip_free_areas_node(filter, zone_to_nid(zone))) continue; - if (filter & SHOW_MEM_PERCPU_LISTS) { - show_node(zone); - printk("%s per-cpu:\n", zone->name); - } - - for_each_online_cpu(cpu) { - struct per_cpu_pageset *pageset; - - pageset = per_cpu_ptr(zone->pageset, cpu); - - free_pcp += pageset->pcp.count; - - if (!(filter & SHOW_MEM_PERCPU_LISTS)) - continue; - - printk("CPU %4d: hi:%5d, btch:%4d usd:%4d\n", - cpu, pageset->pcp.high, - pageset->pcp.batch, pageset->pcp.count); - } + for_each_online_cpu(cpu) + free_pcp += per_cpu_ptr(zone->pageset, cpu)->pcp.count; } printk("active_anon:%lu inactive_anon:%lu isolated_anon:%lu\n"