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>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <1241620755-22133-20-git-send-email-nigel@tuxonice.net>
Date:	Thu,  7 May 2009 00:39:15 +1000
From:	Nigel Cunningham <nigel@...onice.net>
To:	linux-pm@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
	tuxonice-devel@...ts.tuxonice.net
Cc:	Nigel Cunningham <nigel@...onice.net>
Subject: [PATCH 19/19] TuxOnIce: Don't try to wake kswapd if the freezer is on.

If a process gets into wakeup_kswapd while other processes are frozen,
we don't want it to actually wake kswapd (memory pressure may be caused
by TuxOnIce trying to free memory).

Signed-off-by: Nigel Cunningham <nigel@...onice.net>
---
 mm/vmscan.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/mm/vmscan.c b/mm/vmscan.c
index 5fa3eda..ae44189 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -2034,6 +2034,9 @@ void wakeup_kswapd(struct zone *zone, int order)
 	if (!populated_zone(zone))
 		return;
 
+	if (freezer_is_on())
+		return;
+
 	pgdat = zone->zone_pgdat;
 	if (zone_watermark_ok(zone, order, zone->pages_low, 0, 0))
 		return;
-- 
1.5.6.3

--
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/

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ