used. If the
packet is fragmented, it is possible that pages will be allocated from the
PFMEMALLOC reserve without propagating this information to the skb. This
patch propagates page-pfmemalloc from pages allocated for fragments to
the skb.
Signed-off-by: Mel Gorman
contention.
I seem to be able to recreate this issue at will, so please
let me know what I can do to help learn what is going on.
Thanks very much for testing.
--
Mel Gorman
SUSE Labs
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only be used for transmitting
buffers that were necessary to write data to swap when there were no
other options. If that contract is not met then using it can deadlock the
system. It's the same for PF_MEMALLOC -- activating that is a recipe for
deadlock due to memory exhaustion.
--
Mel Gorman
SUSE
On Wed, Mar 04, 2015 at 10:03:51PM -0600, Mike Christie wrote:
On 03/04/2015 02:04 PM, Mel Gorman wrote:
other options. If that contract is not met then using it can deadlock the
system. It's the same for PF_MEMALLOC -- activating that is a recipe for
deadlock due to memory exhaustion
On Thu, Apr 02, 2015 at 02:40:19AM +0300, Ilya Dryomov wrote:
On Thu, Apr 2, 2015 at 2:03 AM, Mel Gorman mgor...@suse.de wrote:
On Wed, Apr 01, 2015 at 08:19:20PM +0300, Ilya Dryomov wrote:
Following nbd and iscsi, commit 89baaa570ab0 (libceph: use memalloc
flags for net IO) set
On Thu, Apr 02, 2015 at 11:35:35AM +0300, Ilya Dryomov wrote:
On Thu, Apr 2, 2015 at 8:41 AM, Mel Gorman mgor...@suse.de wrote:
On Thu, Apr 02, 2015 at 02:40:19AM +0300, Ilya Dryomov wrote:
On Thu, Apr 2, 2015 at 2:03 AM, Mel Gorman mgor...@suse.de wrote:
On Wed, Apr 01, 2015 at 08:19:20PM
On Fri, Apr 03, 2015 at 03:03:53PM -0500, Mike Christie wrote:
On 04/02/2015 12:41 AM, Mel Gorman wrote:
On Thu, Apr 02, 2015 at 02:40:19AM +0300, Ilya Dryomov wrote:
On Thu, Apr 2, 2015 at 2:03 AM, Mel Gorman mgor...@suse.de wrote:
On Wed, Apr 01, 2015 at 08:19:20PM +0300, Ilya Dryomov
/lists/ceph-devel/msg23392.html
Conflicts:
net/ceph/messenger.c [ context: tcp_nodelay option ]
Cc: Mike Christie micha...@cs.wisc.edu
Cc: Mel Gorman mgor...@suse.de
Cc: Sage Weil s...@redhat.com
Cc: sta...@vger.kernel.org # 3.18+, needs backporting
Signed-off-by: Ilya Dryomov idryo
On Wed, Apr 01, 2015 at 08:19:20PM +0300, Ilya Dryomov wrote:
Following nbd and iscsi, commit 89baaa570ab0 (libceph: use memalloc
flags for net IO) set SOCK_MEMALLOC and PF_MEMALLOC flags for rbd and
cephfs. However it turned out to not play nice with loopback scenario,
leading to lockups
