On 04/08/2013 09:48 AM, Minchan Kim wrote:
Hello Simon,
On Sun, Apr 07, 2013 at 03:26:12PM +0800, Simon Jeons wrote:
Ping Minchan.
On 04/02/2013 09:40 PM, Simon Jeons wrote:
Hi Hugh,
On 03/28/2013 05:41 AM, Hugh Dickins wrote:
On Wed, 27 Mar 2013, Minchan Kim wrote:
Swap subsystem does
Hello Simon,
On Sun, Apr 07, 2013 at 03:26:12PM +0800, Simon Jeons wrote:
> Ping Minchan.
> On 04/02/2013 09:40 PM, Simon Jeons wrote:
> >Hi Hugh,
> >On 03/28/2013 05:41 AM, Hugh Dickins wrote:
> >>On Wed, 27 Mar 2013, Minchan Kim wrote:
> >>
> >>>Swap subsystem does lazy swap slot free with
Ping Minchan.
On 04/02/2013 09:40 PM, Simon Jeons wrote:
Hi Hugh,
On 03/28/2013 05:41 AM, Hugh Dickins wrote:
On Wed, 27 Mar 2013, Minchan Kim wrote:
Swap subsystem does lazy swap slot free with expecting the page
would be swapped out again so we can't avoid unnecessary write.
Ping Minchan.
On 04/02/2013 09:40 PM, Simon Jeons wrote:
Hi Hugh,
On 03/28/2013 05:41 AM, Hugh Dickins wrote:
On Wed, 27 Mar 2013, Minchan Kim wrote:
Swap subsystem does lazy swap slot free with expecting the page
would be swapped out again so we can't avoid unnecessary write.
Hello Simon,
On Sun, Apr 07, 2013 at 03:26:12PM +0800, Simon Jeons wrote:
Ping Minchan.
On 04/02/2013 09:40 PM, Simon Jeons wrote:
Hi Hugh,
On 03/28/2013 05:41 AM, Hugh Dickins wrote:
On Wed, 27 Mar 2013, Minchan Kim wrote:
Swap subsystem does lazy swap slot free with expecting the page
On 04/08/2013 09:48 AM, Minchan Kim wrote:
Hello Simon,
On Sun, Apr 07, 2013 at 03:26:12PM +0800, Simon Jeons wrote:
Ping Minchan.
On 04/02/2013 09:40 PM, Simon Jeons wrote:
Hi Hugh,
On 03/28/2013 05:41 AM, Hugh Dickins wrote:
On Wed, 27 Mar 2013, Minchan Kim wrote:
Swap subsystem does
Hi Hugh,
On 03/28/2013 05:41 AM, Hugh Dickins wrote:
On Wed, 27 Mar 2013, Minchan Kim wrote:
Swap subsystem does lazy swap slot free with expecting the page
would be swapped out again so we can't avoid unnecessary write.
so we can avoid unnecessary write.
If
Hi Hugh,
On 03/28/2013 05:41 AM, Hugh Dickins wrote:
On Wed, 27 Mar 2013, Minchan Kim wrote:
Swap subsystem does lazy swap slot free with expecting the page
would be swapped out again so we can't avoid unnecessary write.
so we can avoid unnecessary write.
If
On Mon, Apr 01, 2013 at 10:13:58PM -0700, Hugh Dickins wrote:
> On Tue, 2 Apr 2013, Minchan Kim wrote:
> > On Fri, Mar 29, 2013 at 01:01:14PM -0700, Hugh Dickins wrote:
> > > On Fri, 29 Mar 2013, Minchan Kim wrote:
> > > > On Thu, Mar 28, 2013 at 11:19:12AM -0700, Dan Magenheimer wrote:
> > > > >
On Tue, 2 Apr 2013, Minchan Kim wrote:
> On Fri, Mar 29, 2013 at 01:01:14PM -0700, Hugh Dickins wrote:
> > On Fri, 29 Mar 2013, Minchan Kim wrote:
> > > On Thu, Mar 28, 2013 at 11:19:12AM -0700, Dan Magenheimer wrote:
> > > >
> > > > I wonder if something like this would have a similar result for
27, 2013 at 03:24:00PM -0700, Dan Magenheimer wrote:
> > > > > > From: Hugh Dickins [mailto:hu...@google.com]
> > > > > > Subject: Re: [RFC] mm: remove swapcache page early
> > > > > >
> > > > > > I believe the answer is for fronts
:
From: Hugh Dickins [mailto:hu...@google.com]
Subject: Re: [RFC] mm: remove swapcache page early
I believe the answer is for frontswap/zmem to invalidate the
frontswap
copy of the page (to free up the compressed memory when possible)
and
SetPageDirty
On Tue, 2 Apr 2013, Minchan Kim wrote:
On Fri, Mar 29, 2013 at 01:01:14PM -0700, Hugh Dickins wrote:
On Fri, 29 Mar 2013, Minchan Kim wrote:
On Thu, Mar 28, 2013 at 11:19:12AM -0700, Dan Magenheimer wrote:
I wonder if something like this would have a similar result for zram?
On Mon, Apr 01, 2013 at 10:13:58PM -0700, Hugh Dickins wrote:
On Tue, 2 Apr 2013, Minchan Kim wrote:
On Fri, Mar 29, 2013 at 01:01:14PM -0700, Hugh Dickins wrote:
On Fri, 29 Mar 2013, Minchan Kim wrote:
On Thu, Mar 28, 2013 at 11:19:12AM -0700, Dan Magenheimer wrote:
I wonder
ugh Dickins [mailto:hu...@google.com]
> > > > > Subject: Re: [RFC] mm: remove swapcache page early
> > > > >
> > > > > I believe the answer is for frontswap/zmem to invalidate the frontswap
> > > > > copy of the page (to free up the compressed memor
] mm: remove swapcache page early
I believe the answer is for frontswap/zmem to invalidate the frontswap
copy of the page (to free up the compressed memory when possible) and
SetPageDirty on the PageUptodate PageSwapCache page when swapping in
(setting page dirty so nothing
On Thu, Mar 28, 2013 at 11:19:12AM -0700, Dan Magenheimer wrote:
> > From: Minchan Kim [mailto:minc...@kernel.org]
> > Subject: Re: [RFC] mm: remove swapcache page early
> >
> > Hi Dan,
> >
> > On Wed, Mar 27, 2013 at 03:24:00PM -0700, Dan Magenheimer wrote:
&
> From: Minchan Kim [mailto:minc...@kernel.org]
> Subject: Re: [RFC] mm: remove swapcache page early
>
> Hi Dan,
>
> On Wed, Mar 27, 2013 at 03:24:00PM -0700, Dan Magenheimer wrote:
> > > From: Hugh Dickins [mailto:hu...@google.com]
> > > Subject: Re: [
> From: Hugh Dickins [mailto:hu...@google.com]
> Subject: RE: [RFC] mm: remove swapcache page early
>
> On Wed, 27 Mar 2013, Dan Magenheimer wrote:
> > > From: Hugh Dickins [mailto:hu...@google.com]
> > > Subject: Re: [RFC] mm: remove swapcache page early
>
From: Hugh Dickins [mailto:hu...@google.com]
Subject: RE: [RFC] mm: remove swapcache page early
On Wed, 27 Mar 2013, Dan Magenheimer wrote:
From: Hugh Dickins [mailto:hu...@google.com]
Subject: Re: [RFC] mm: remove swapcache page early
The issue you are raising
here is (2). You
From: Minchan Kim [mailto:minc...@kernel.org]
Subject: Re: [RFC] mm: remove swapcache page early
Hi Dan,
On Wed, Mar 27, 2013 at 03:24:00PM -0700, Dan Magenheimer wrote:
From: Hugh Dickins [mailto:hu...@google.com]
Subject: Re: [RFC] mm: remove swapcache page early
I believe
On Thu, Mar 28, 2013 at 11:19:12AM -0700, Dan Magenheimer wrote:
From: Minchan Kim [mailto:minc...@kernel.org]
Subject: Re: [RFC] mm: remove swapcache page early
Hi Dan,
On Wed, Mar 27, 2013 at 03:24:00PM -0700, Dan Magenheimer wrote:
From: Hugh Dickins [mailto:hu...@google.com
On Thu, Mar 28, 2013 at 10:18:24AM +0900, Minchan Kim wrote:
> On Wed, Mar 27, 2013 at 04:16:48PM -0700, Hugh Dickins wrote:
> > On Wed, 27 Mar 2013, Dan Magenheimer wrote:
> > > > From: Hugh Dickins [mailto:hu...@google.com]
> > > > Subject: Re: [RFC
Hi Seth,
On Wed, Mar 27, 2013 at 12:19:11PM -0500, Seth Jennings wrote:
> On 03/26/2013 09:22 PM, Minchan Kim wrote:
> > Swap subsystem does lazy swap slot free with expecting the page
> > would be swapped out again so we can't avoid unnecessary write.
> >
> > But the problem in in-memory swap
On Wed, Mar 27, 2013 at 04:16:48PM -0700, Hugh Dickins wrote:
> On Wed, 27 Mar 2013, Dan Magenheimer wrote:
> > > From: Hugh Dickins [mailto:hu...@google.com]
> > > Subject: Re: [RFC] mm: remove swapcache page early
> > >
> > > On Wed, 27 Mar 2013, Minchan K
Hi Dan,
On Wed, Mar 27, 2013 at 03:24:00PM -0700, Dan Magenheimer wrote:
> > From: Hugh Dickins [mailto:hu...@google.com]
> > Subject: Re: [RFC] mm: remove swapcache page early
> >
> > On Wed, 27 Mar 2013, Minchan Kim wrote:
> >
> > > Swap subsystem
Hi Hugh,
On Wed, Mar 27, 2013 at 02:41:07PM -0700, Hugh Dickins wrote:
> On Wed, 27 Mar 2013, Minchan Kim wrote:
>
> > Swap subsystem does lazy swap slot free with expecting the page
> > would be swapped out again so we can't avoid unnecessary write.
> so we can
On Wed, 27 Mar 2013, Dan Magenheimer wrote:
> > From: Hugh Dickins [mailto:hu...@google.com]
> > Subject: Re: [RFC] mm: remove swapcache page early
> >
> > On Wed, 27 Mar 2013, Minchan Kim wrote:
> >
> > > Swap subsystem does lazy swap slot free with expect
> From: Hugh Dickins [mailto:hu...@google.com]
> Subject: Re: [RFC] mm: remove swapcache page early
>
> On Wed, 27 Mar 2013, Minchan Kim wrote:
>
> > Swap subsystem does lazy swap slot free with expecting the page
> > would be swapped out again so we ca
On Wed, 27 Mar 2013, Minchan Kim wrote:
> Swap subsystem does lazy swap slot free with expecting the page
> would be swapped out again so we can't avoid unnecessary write.
so we can avoid unnecessary write.
>
> But the problem in in-memory swap is that it consumes
> From: Minchan Kim [mailto:minc...@kernel.org]
> Subject: [RFC] mm: remove swapcache page early
>
> Swap subsystem does lazy swap slot free with expecting the page
> would be swapped out again so we can't avoid unnecessary write.
>
> But the problem in in-memory swap is th
On 03/26/2013 09:22 PM, Minchan Kim wrote:
> Swap subsystem does lazy swap slot free with expecting the page
> would be swapped out again so we can't avoid unnecessary write.
>
> But the problem in in-memory swap is that it consumes memory space
> until vm_swap_full(ie, used half of all of swap
Hi Kame,
On Wed, Mar 27, 2013 at 02:15:41PM +0900, Kamezawa Hiroyuki wrote:
> (2013/03/27 11:22), Minchan Kim wrote:
> > Swap subsystem does lazy swap slot free with expecting the page
> > would be swapped out again so we can't avoid unnecessary write.
> >
> > But the problem in in-memory swap
Hi Kame,
On Wed, Mar 27, 2013 at 02:15:41PM +0900, Kamezawa Hiroyuki wrote:
(2013/03/27 11:22), Minchan Kim wrote:
Swap subsystem does lazy swap slot free with expecting the page
would be swapped out again so we can't avoid unnecessary write.
But the problem in in-memory swap is that it
On 03/26/2013 09:22 PM, Minchan Kim wrote:
Swap subsystem does lazy swap slot free with expecting the page
would be swapped out again so we can't avoid unnecessary write.
But the problem in in-memory swap is that it consumes memory space
until vm_swap_full(ie, used half of all of swap
From: Minchan Kim [mailto:minc...@kernel.org]
Subject: [RFC] mm: remove swapcache page early
Swap subsystem does lazy swap slot free with expecting the page
would be swapped out again so we can't avoid unnecessary write.
But the problem in in-memory swap is that it consumes memory space
On Wed, 27 Mar 2013, Minchan Kim wrote:
Swap subsystem does lazy swap slot free with expecting the page
would be swapped out again so we can't avoid unnecessary write.
so we can avoid unnecessary write.
But the problem in in-memory swap is that it consumes memory
From: Hugh Dickins [mailto:hu...@google.com]
Subject: Re: [RFC] mm: remove swapcache page early
On Wed, 27 Mar 2013, Minchan Kim wrote:
Swap subsystem does lazy swap slot free with expecting the page
would be swapped out again so we can't avoid unnecessary write
On Wed, 27 Mar 2013, Dan Magenheimer wrote:
From: Hugh Dickins [mailto:hu...@google.com]
Subject: Re: [RFC] mm: remove swapcache page early
On Wed, 27 Mar 2013, Minchan Kim wrote:
Swap subsystem does lazy swap slot free with expecting the page
would be swapped out again so we
Hi Hugh,
On Wed, Mar 27, 2013 at 02:41:07PM -0700, Hugh Dickins wrote:
On Wed, 27 Mar 2013, Minchan Kim wrote:
Swap subsystem does lazy swap slot free with expecting the page
would be swapped out again so we can't avoid unnecessary write.
so we can avoid
Hi Dan,
On Wed, Mar 27, 2013 at 03:24:00PM -0700, Dan Magenheimer wrote:
From: Hugh Dickins [mailto:hu...@google.com]
Subject: Re: [RFC] mm: remove swapcache page early
On Wed, 27 Mar 2013, Minchan Kim wrote:
Swap subsystem does lazy swap slot free with expecting the page
would
On Wed, Mar 27, 2013 at 04:16:48PM -0700, Hugh Dickins wrote:
On Wed, 27 Mar 2013, Dan Magenheimer wrote:
From: Hugh Dickins [mailto:hu...@google.com]
Subject: Re: [RFC] mm: remove swapcache page early
On Wed, 27 Mar 2013, Minchan Kim wrote:
Swap subsystem does lazy swap slot
Hi Seth,
On Wed, Mar 27, 2013 at 12:19:11PM -0500, Seth Jennings wrote:
On 03/26/2013 09:22 PM, Minchan Kim wrote:
Swap subsystem does lazy swap slot free with expecting the page
would be swapped out again so we can't avoid unnecessary write.
But the problem in in-memory swap is that it
On Thu, Mar 28, 2013 at 10:18:24AM +0900, Minchan Kim wrote:
On Wed, Mar 27, 2013 at 04:16:48PM -0700, Hugh Dickins wrote:
On Wed, 27 Mar 2013, Dan Magenheimer wrote:
From: Hugh Dickins [mailto:hu...@google.com]
Subject: Re: [RFC] mm: remove swapcache page early
On Wed, 27 Mar
(2013/03/27 11:22), Minchan Kim wrote:
> Swap subsystem does lazy swap slot free with expecting the page
> would be swapped out again so we can't avoid unnecessary write.
>
> But the problem in in-memory swap is that it consumes memory space
> until vm_swap_full(ie, used half of all of swap
Hi,
On Wed, Mar 27, 2013 at 11:22 AM, Minchan Kim wrote:
> Swap subsystem does lazy swap slot free with expecting the page
> would be swapped out again so we can't avoid unnecessary write.
>
> But the problem in in-memory swap is that it consumes memory space
> until vm_swap_full(ie, used half
Swap subsystem does lazy swap slot free with expecting the page
would be swapped out again so we can't avoid unnecessary write.
But the problem in in-memory swap is that it consumes memory space
until vm_swap_full(ie, used half of all of swap device) condition
meet. It could be bad if we use
Swap subsystem does lazy swap slot free with expecting the page
would be swapped out again so we can't avoid unnecessary write.
But the problem in in-memory swap is that it consumes memory space
until vm_swap_full(ie, used half of all of swap device) condition
meet. It could be bad if we use
Hi,
On Wed, Mar 27, 2013 at 11:22 AM, Minchan Kim minc...@kernel.org wrote:
Swap subsystem does lazy swap slot free with expecting the page
would be swapped out again so we can't avoid unnecessary write.
But the problem in in-memory swap is that it consumes memory space
until
(2013/03/27 11:22), Minchan Kim wrote:
Swap subsystem does lazy swap slot free with expecting the page
would be swapped out again so we can't avoid unnecessary write.
But the problem in in-memory swap is that it consumes memory space
until vm_swap_full(ie, used half of all of swap device)
50 matches
Mail list logo
