From: Mel Gorman <mel@csn.ul.ie>
To: Andrea Arcangeli <aarcange@redhat.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Andrew Morton <akpm@linux-foundation.org>,
Rik van Riel <riel@redhat.com>,
Johannes Weiner <hannes@cmpxchg.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: [PATCH 2/3] mm,compaction: Add COMPACTION_BUILD
Date: Thu, 11 Nov 2010 19:07:03 +0000 [thread overview]
Message-ID: <1289502424-12661-3-git-send-email-mel@csn.ul.ie> (raw)
In-Reply-To: <1289502424-12661-1-git-send-email-mel@csn.ul.ie>
To avoid #ifdef COMPACTION in a following patch, this patch adds
COMPACTION_BUILD that is similar to NUMA_BUILD in operation.
Signed-off-by: Mel Gorman <mel@csn.ul.ie>
---
include/linux/kernel.h | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 450092c..c00c5d1 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -826,6 +826,13 @@ struct sysinfo {
#define NUMA_BUILD 0
#endif
+/* This helps us avoid #ifdef CONFIG_COMPACTION */
+#ifdef CONFIG_COMPACTION
+#define COMPACTION_BUILD 1
+#else
+#define COMPACTION_BUILD 0
+#endif
+
/* Rebuild everything on CONFIG_FTRACE_MCOUNT_RECORD */
#ifdef CONFIG_FTRACE_MCOUNT_RECORD
# define REBUILD_DUE_TO_FTRACE_MCOUNT_RECORD
--
1.7.1
next prev parent reply other threads:[~2010-11-11 19:07 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-11 19:07 [RFC PATCH 0/3] Use compaction to reduce a dependency on lumpy reclaim Mel Gorman
2010-11-11 19:07 ` [PATCH 1/3] mm,vmscan: Convert lumpy_mode into a bitmask Mel Gorman
2010-11-14 5:40 ` KOSAKI Motohiro
2010-11-15 9:16 ` Mel Gorman
2010-11-11 19:07 ` Mel Gorman [this message]
2010-11-14 5:45 ` [PATCH 2/3] mm,compaction: Add COMPACTION_BUILD KOSAKI Motohiro
2010-11-15 9:26 ` Mel Gorman
2010-11-11 19:07 ` [PATCH 3/3] mm,vmscan: Reclaim order-0 and compact instead of lumpy reclaim when under light pressure Mel Gorman
2010-11-12 9:37 ` Mel Gorman
2010-11-14 5:43 ` KOSAKI Motohiro
2010-11-15 9:17 ` Mel Gorman
2010-11-14 6:02 ` KOSAKI Motohiro
2010-11-15 9:22 ` Mel Gorman
2010-11-15 15:23 ` Andrea Arcangeli
2010-11-14 5:59 ` KOSAKI Motohiro
2010-11-15 9:25 ` Mel Gorman
2010-11-14 5:31 ` [RFC PATCH 0/3] Use compaction to reduce a dependency on lumpy reclaim KOSAKI Motohiro
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