From: Xishi Qiu <qiuxishi@huawei.com>
To: Andrew Morton <akpm@linux-foundation.org>,
Wanpeng Li <liwanp@linux.vnet.ibm.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
aquini@redhat.com, Peter Zijlstra <peterz@infradead.org>,
Rik van Riel <riel@redhat.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Michal Hocko <mhocko@suse.cz>
Cc: Linux MM <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>,
Xishi Qiu <qiuxishi@huawei.com>, Li Zefan <lizefan@huawei.com>
Subject: [PATCH 7/8] mm: implement page cache reclaim speed
Date: Mon, 16 Jun 2014 17:25:18 +0800 [thread overview]
Message-ID: <539EB7FE.1070009@huawei.com> (raw)
The parameter vm_cache_reclaim_weight means every time we expect to
reclaim SWAP_CLUSTER_MAX * vm_cache_reclaim_weight pages.
Signed-off-by: Xishi Qiu <qiuxishi@huawei.com>
---
mm/vmscan.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/mm/vmscan.c b/mm/vmscan.c
index d179be6..23b808a 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -3430,7 +3430,7 @@ static unsigned long __shrink_page_cache(gfp_t mask)
struct scan_control sc = {
.gfp_mask = (mask = memalloc_noio_flags(mask)),
.may_writepage = !laptop_mode,
- .nr_to_reclaim = SWAP_CLUSTER_MAX,
+ .nr_to_reclaim = SWAP_CLUSTER_MAX * vm_cache_reclaim_weight,
.may_unmap = 1,
.may_swap = 1,
.order = 0,
--
1.6.0.2
--
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reply other threads:[~2014-06-16 9:27 UTC|newest]
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