linux-kernel - [PATCH 1/2] ensure we count pages transitioning inactive via clear_active

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: <06a9050c636e7b489c2a4c91951d2141@pinky>
Date:	Sat, 28 Jul 2007 23:51:59 +0100
From:	Andy Whitcroft <apw@...dowen.org>
To:	Andrew Morton <akpm@...l.org>
Cc:	Mel Gorman <mel@....ul.ie>, Andy Whitcroft <apw@...dowen.org>,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] ensure we count pages transitioning inactive via clear_active_flags


We are transitioning pages from active to inactive in
clear_active_flags, those need counting as PGDEACTIVATE vm events.

Signed-off-by: Andy Whitcroft <apw@...dowen.org>
Acked-by: Mel Gorman <mel@....ul.ie>
---
diff --git a/mm/vmscan.c b/mm/vmscan.c
index d419e10..99ec7fa 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -777,6 +777,7 @@ static unsigned long shrink_inactive_list(unsigned long max_scan,
 			     (sc->order > PAGE_ALLOC_COSTLY_ORDER)?
 					     ISOLATE_BOTH : ISOLATE_INACTIVE);
 		nr_active = clear_active_flags(&page_list);
+		__count_vm_events(PGDEACTIVATE, nr_active);
 
 		__mod_zone_page_state(zone, NR_ACTIVE, -nr_active);
 		__mod_zone_page_state(zone, NR_INACTIVE,
-
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/