From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pl1-f197.google.com (mail-pl1-f197.google.com [209.85.214.197]) by kanga.kvack.org (Postfix) with ESMTP id 68F9F8E0001 for ; Tue, 11 Sep 2018 01:36:24 -0400 (EDT) Received: by mail-pl1-f197.google.com with SMTP id 2-v6so10988286plc.11 for ; Mon, 10 Sep 2018 22:36:24 -0700 (PDT) Received: from mga11.intel.com (mga11.intel.com. [192.55.52.93]) by mx.google.com with ESMTPS id c19-v6si20646945pfc.18.2018.09.10.22.36.23 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 10 Sep 2018 22:36:23 -0700 (PDT) From: Aaron Lu Subject: [RFC PATCH 1/9] mm: do not add anon pages to LRU Date: Tue, 11 Sep 2018 13:36:08 +0800 Message-Id: <20180911053616.6894-2-aaron.lu@intel.com> In-Reply-To: <20180911053616.6894-1-aaron.lu@intel.com> References: <20180911053616.6894-1-aaron.lu@intel.com> Sender: owner-linux-mm@kvack.org List-ID: To: linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: Andrew Morton , Dave Hansen , Michal Hocko , Vlastimil Babka , Mel Gorman , Matthew Wilcox , Daniel Jordan , Tariq Toukan , Yosef Lev , Jesper Dangaard Brouer For the sake of testing purpose, do not add anon pages to LRU to avoid LRU lock so we can test zone lock exclusively. Signed-off-by: Aaron Lu --- mm/memory.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/memory.c b/mm/memory.c index c467102a5cbc..080641255b8b 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -3208,7 +3208,7 @@ static vm_fault_t do_anonymous_page(struct vm_fault *vmf) inc_mm_counter_fast(vma->vm_mm, MM_ANONPAGES); page_add_new_anon_rmap(page, vma, vmf->address, false); mem_cgroup_commit_charge(page, memcg, false, false); - lru_cache_add_active_or_unevictable(page, vma); + //lru_cache_add_active_or_unevictable(page, vma); setpte: set_pte_at(vma->vm_mm, vmf->address, vmf->pte, entry); -- 2.17.1