On Mon, 23 Jun 2014, Andrew Morton wrote: > On Sat, 21 Jun 2014 11:10:58 +0200 Heiko Carstens <heiko.carst...@de.ibm.com> > wrote: > > > On Wed, Jun 18, 2014 at 02:29:31PM -0700, Andrew Morton wrote: > > > On Mon, 16 Jun 2014 11:04:50 +0200 Heiko Carstens > > > <heiko.carst...@de.ibm.com> wrote: > > > > > > > These two patches are supposed to "fix" failed order-4 memory > > > > allocations which have been observed when reading /proc/stat. > > > > The problem has been observed on s390 as well as on x86. > > > > > > > > To address the problem change the seq_file memory allocations to > > > > fallback to use vmalloc, so that allocations also work if memory > > > > is fragmented. > > > > > > > > This approach seems to be simpler and less intrusive than changing > > > > /proc/stat to use an interator. Also it "fixes" other users as well, > > > > which use seq_file's single_open() interface. > > > > > > Yes, those changes look pretty simple and effective. > > > > > > I'm unclear on how urgent these fixes are. I semi-randomly tagged them > > > for 3.16 with a -stable backport, but that could be changed? > > > > I assume tagged for 3.16 means you intend to get it merged before 3.16 > > gets released? > > If so, then that would be fine with me. > > um, actually, no, sorry, I meant merge for 3.17-rc1 with a -stable backport. > > We can do 3.16 of course, but for what reasons? >
Heiko's patches should also fix https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1319244 as reported by Stefan Bader. I've pinged them to determine if there is any other issues with -mm. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
