On Mon, Jun 30, 2014 at 03:48:39PM -0700, Hugh Dickins wrote:
> Under shmem swapping and swapoff load, I sometimes hit the
> VM_BUG_ON_PAGE(!page->mapping) in mem_cgroup_commit_charge() at
> mm/memcontrol.c:6502! Each time it has been a call from shmem_unuse().
>
> Yes, there are some cases
On Mon, Jun 30, 2014 at 03:48:39PM -0700, Hugh Dickins wrote:
Under shmem swapping and swapoff load, I sometimes hit the
VM_BUG_ON_PAGE(!page-mapping) in mem_cgroup_commit_charge() at
mm/memcontrol.c:6502! Each time it has been a call from shmem_unuse().
Yes, there are some cases (most
On Mon, 30 Jun 2014, Andrew Morton wrote:
> On Mon, 30 Jun 2014 17:10:54 -0700 (PDT) Hugh Dickins
> wrote:
> > On Mon, 30 Jun 2014, Andrew Morton wrote:
> > > On Mon, 30 Jun 2014 15:48:39 -0700 (PDT) Hugh Dickins
> > > wrote:
> > > > - return 0;
> > > > + return
On Mon, 30 Jun 2014 17:10:54 -0700 (PDT) Hugh Dickins wrote:
> On Mon, 30 Jun 2014, Andrew Morton wrote:
> > On Mon, 30 Jun 2014 15:48:39 -0700 (PDT) Hugh Dickins
> > wrote:
> > > - return 0;
> > > + return -EAGAIN;
> >
> > Maybe it's time to document the shmem_unuse_inode()
On Mon, 30 Jun 2014, Andrew Morton wrote:
> On Mon, 30 Jun 2014 15:48:39 -0700 (PDT) Hugh Dickins
> wrote:
> > - return 0;
> > + return -EAGAIN;
>
> Maybe it's time to document the shmem_unuse_inode() return values.
Oh dear. I had hoped they would look after themselves.
On Mon, 30 Jun 2014 15:48:39 -0700 (PDT) Hugh Dickins wrote:
> Under shmem swapping and swapoff load, I sometimes hit the
> VM_BUG_ON_PAGE(!page->mapping) in mem_cgroup_commit_charge() at
> mm/memcontrol.c:6502! Each time it has been a call from shmem_unuse().
>
> Yes, there are some cases
Under shmem swapping and swapoff load, I sometimes hit the
VM_BUG_ON_PAGE(!page->mapping) in mem_cgroup_commit_charge() at
mm/memcontrol.c:6502! Each time it has been a call from shmem_unuse().
Yes, there are some cases (most commonly when the page being unswapped
is in a file being unlinked and
Under shmem swapping and swapoff load, I sometimes hit the
VM_BUG_ON_PAGE(!page-mapping) in mem_cgroup_commit_charge() at
mm/memcontrol.c:6502! Each time it has been a call from shmem_unuse().
Yes, there are some cases (most commonly when the page being unswapped
is in a file being unlinked and
On Mon, 30 Jun 2014 15:48:39 -0700 (PDT) Hugh Dickins hu...@google.com wrote:
Under shmem swapping and swapoff load, I sometimes hit the
VM_BUG_ON_PAGE(!page-mapping) in mem_cgroup_commit_charge() at
mm/memcontrol.c:6502! Each time it has been a call from shmem_unuse().
Yes, there are some
On Mon, 30 Jun 2014, Andrew Morton wrote:
On Mon, 30 Jun 2014 15:48:39 -0700 (PDT) Hugh Dickins hu...@google.com
wrote:
- return 0;
+ return -EAGAIN;
Maybe it's time to document the shmem_unuse_inode() return values.
Oh dear. I had hoped they would look after
On Mon, 30 Jun 2014 17:10:54 -0700 (PDT) Hugh Dickins hu...@google.com wrote:
On Mon, 30 Jun 2014, Andrew Morton wrote:
On Mon, 30 Jun 2014 15:48:39 -0700 (PDT) Hugh Dickins hu...@google.com
wrote:
- return 0;
+ return -EAGAIN;
Maybe it's time to document the
On Mon, 30 Jun 2014, Andrew Morton wrote:
On Mon, 30 Jun 2014 17:10:54 -0700 (PDT) Hugh Dickins hu...@google.com
wrote:
On Mon, 30 Jun 2014, Andrew Morton wrote:
On Mon, 30 Jun 2014 15:48:39 -0700 (PDT) Hugh Dickins hu...@google.com
wrote:
- return 0;
+
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