linux-kernel - [PATCH 7/8] mm: implement page cache reclaim speed

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-ID: <539EB7FE.1070009@huawei.com>
Date:	Mon, 16 Jun 2014 17:25:18 +0800
From:	Xishi Qiu <qiuxishi@...wei.com>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	Wanpeng Li <liwanp@...ux.vnet.ibm.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	<aquini@...hat.com>, Peter Zijlstra <peterz@...radead.org>,
	Rik van Riel <riel@...hat.com>,
	Johannes Weiner <hannes@...xchg.org>,
	Michal Hocko <mhocko@...e.cz>
CC:	Linux MM <linux-mm@...ck.org>, LKML <linux-kernel@...r.kernel.org>,
	Xishi Qiu <qiuxishi@...wei.com>, Li Zefan <lizefan@...wei.com>
Subject: [PATCH 7/8] mm: implement page cache reclaim speed

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@...wei.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


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/