On Wed, Aug 20, 2014 at 03:53:18PM +0900, Minchan Kim wrote:
> On Wed, Aug 20, 2014 at 02:26:50AM -0400, David Horner wrote:
> > On Tue, Aug 19, 2014 at 3:54 AM, Minchan Kim wrote:
> > > Normally, zram user could get maximum memory usage zram consumed
> > > via polling mem_used_total with sysfs in
I'm really surprised there isn't an atomic_set_max function -
that keeps trying the exchange until the target value is equal or
greater than provided value.
(and complimentary atomic_set_min)
I would be surprised that this is the only place in the kernel with
this scenario.
On Wed, Aug 20, 2014
On Wed, Aug 20, 2014 at 03:38:27AM -0400, David Horner wrote:
> On Wed, Aug 20, 2014 at 2:53 AM, Minchan Kim wrote:
> > On Wed, Aug 20, 2014 at 02:26:50AM -0400, David Horner wrote:
> >> On Tue, Aug 19, 2014 at 3:54 AM, Minchan Kim wrote:
> >> > Normally, zram user could get maximum memory usage
On Wed, Aug 20, 2014 at 2:53 AM, Minchan Kim wrote:
> On Wed, Aug 20, 2014 at 02:26:50AM -0400, David Horner wrote:
>> On Tue, Aug 19, 2014 at 3:54 AM, Minchan Kim wrote:
>> > Normally, zram user could get maximum memory usage zram consumed
>> > via polling mem_used_total with sysfs in userspace.
On Wed, Aug 20, 2014 at 02:26:50AM -0400, David Horner wrote:
> On Tue, Aug 19, 2014 at 3:54 AM, Minchan Kim wrote:
> > Normally, zram user could get maximum memory usage zram consumed
> > via polling mem_used_total with sysfs in userspace.
> >
> > But it has a critical problem because user can mi
On Tue, Aug 19, 2014 at 3:54 AM, Minchan Kim wrote:
> Normally, zram user could get maximum memory usage zram consumed
> via polling mem_used_total with sysfs in userspace.
>
> But it has a critical problem because user can miss peak memory
> usage during update inverval of polling. For avoiding t
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