Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753543AbbKLHnD (ORCPT ); Thu, 12 Nov 2015 02:43:03 -0500 Received: from mail-pa0-f65.google.com ([209.85.220.65]:33280 "EHLO mail-pa0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753497AbbKLHmp (ORCPT ); Thu, 12 Nov 2015 02:42:45 -0500 From: yalin wang To: rostedt@goodmis.org, mingo@redhat.com, namhyung@kernel.org, acme@redhat.com, yalin.wang2010@gmail.com, akpm@linux-foundation.org, mhocko@suse.cz, vdavydov@parallels.com, vbabka@suse.cz, hannes@cmpxchg.org, mgorman@techsingularity.net, bywxiaobai@163.com, tj@kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH] mm: change trace_mm_vmscan_writepage() proto type Date: Thu, 12 Nov 2015 15:42:33 +0800 Message-Id: <1447314153-10625-1-git-send-email-yalin.wang2010@gmail.com> X-Mailer: git-send-email 1.9.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1764 Lines: 56 Move trace_reclaim_flags() into trace function, so that we don't need caculate these flags if the trace is disabled. Signed-off-by: yalin wang --- include/trace/events/vmscan.h | 7 +++---- mm/vmscan.c | 2 +- 2 files changed, 4 insertions(+), 5 deletions(-) diff --git a/include/trace/events/vmscan.h b/include/trace/events/vmscan.h index f66476b..dae7836 100644 --- a/include/trace/events/vmscan.h +++ b/include/trace/events/vmscan.h @@ -330,10 +330,9 @@ DEFINE_EVENT(mm_vmscan_lru_isolate_template, mm_vmscan_memcg_isolate, TRACE_EVENT(mm_vmscan_writepage, - TP_PROTO(struct page *page, - int reclaim_flags), + TP_PROTO(struct page *page), - TP_ARGS(page, reclaim_flags), + TP_ARGS(page), TP_STRUCT__entry( __field(unsigned long, pfn) @@ -342,7 +341,7 @@ TRACE_EVENT(mm_vmscan_writepage, TP_fast_assign( __entry->pfn = page_to_pfn(page); - __entry->reclaim_flags = reclaim_flags; + __entry->reclaim_flags = trace_reclaim_flags(page); ), TP_printk("page=%p pfn=%lu flags=%s", diff --git a/mm/vmscan.c b/mm/vmscan.c index a4507ec..83cea53 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -594,7 +594,7 @@ static pageout_t pageout(struct page *page, struct address_space *mapping, /* synchronous write or broken a_ops? */ ClearPageReclaim(page); } - trace_mm_vmscan_writepage(page, trace_reclaim_flags(page)); + trace_mm_vmscan_writepage(page); inc_zone_page_state(page, NR_VMSCAN_WRITE); return PAGE_SUCCESS; } -- 1.9.1 -- 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/