From mboxrd@z Thu Jan 1 00:00:00 1970 From: tytso@mit.edu (Theodore Ts'o) Date: Sun, 16 Feb 2014 16:43:54 -0500 Subject: Recent 3.x kernels: Memory leak causing OOMs In-Reply-To: <20140216200503.GN30257@n2100.arm.linux.org.uk> References: <20140216200503.GN30257@n2100.arm.linux.org.uk> Message-ID: <20140216214354.GA12947@thunk.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Sun, Feb 16, 2014 at 08:05:04PM +0000, Russell King - ARM Linux wrote: > I have another machine which OOM'd a week ago with plenty of unused swap > - it uses ext3 on raid1 and is a more busy system. That took 41 days > to show, and upon reboot, it got a kernel with kmemleak enabled. So far, > after 7 days, kmemleak has found nothing at all. If kmemleak doesn't show anything, then presumably it's not a leak of the slab object. Does /proc/meminfo show anything interesting? Maybe it's a page getting leaked (which wouldn't be noticed by kmemleak) - Ted