Bodo Eggert wrote:
Rik van Riel <[EMAIL PROTECTED]> wrote:
+++ linux-2.6.20.noarch/mm/swap.c2007-02-20 06:44:17.0 -0500
@@ -420,6 +420,26 @@ void pagevec_strip(struct pagevec *pvec)
+if (printk_ratelimit())
+printk("kswapd
Rik van Riel <[EMAIL PROTECTED]> wrote:
+++ linux-2.6.20.noarch/mm/swap.c2007-02-20 06:44:17.0 -0500
@@ -420,6 +420,26 @@ void pagevec_strip(struct pagevec *pvec)
> +if (printk_ratelimit())
> +printk("kswapd freed a swap spac
Rik van Riel wrote:
> Rik van Riel wrote:
> > ... because I think this is what my patch does :)
>
> Never mind, I see it now.
>
> The attached patch should be correct.
Your patch seems to improve the situation a little bit, but the numbers still
look weird, especially for swap-in, which gets prog
On Tue, 20 Feb 2007, Rik van Riel wrote:
> Btw, why do we not call pagevec_strip on the pages on l_active?
> I assume we want to reclaim their buffer heads, too...
But those buffer heads may be used soon. So its better to leave them
alone.
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On Tue, 20 Feb 2007, Rik van Riel wrote:
> The attached patch should be correct.
Oh. It vanished again when I replied to your mail.
> Btw, why do we not call pagevec_strip on the pages on l_active?
> I assume we want to reclaim their buffer heads, too...
Yes we want to reduce buffer heads if w
Rik van Riel wrote:
... because I think this is what my patch does :)
Never mind, I see it now.
The attached patch should be correct.
Btw, why do we not call pagevec_strip on the pages on l_active?
I assume we want to reclaim their buffer heads, too...
--
All Rights Reversed
--- linux-2.6.2
Christoph Lameter wrote:
On Tue, 20 Feb 2007, Rik van Riel wrote:
Nono, I try to remove the swap space occupied by pages that
go back onto the active list. Regardless of whether they
were already there, or whether they started out on the
inactive list.
Ok then do it for all pages that go bac
On Tue, 20 Feb 2007, Rik van Riel wrote:
> > Maybe the hunk does apply in a different location than I thought.
>
> I suspect that's the case ...
No that is not the case:
@@ -875,6 +878,11 @@ force_reclaim_mapped:
pagevec_strip(&pvec);
spin_lock_irq(&zone->lru_loc
On Fri, Feb 16, 2007 at 05:46:29PM -0500, Rik van Riel wrote:
> The attached patch does what I described in the other thread, it
> makes the pageout code free swap space when swap is getting full,
> by taking away the swap space from pages that get moved onto or
> back onto the active list.
> In so
On Tue, 20 Feb 2007, Rik van Riel wrote:
> Nono, I try to remove the swap space occupied by pages that
> go back onto the active list. Regardless of whether they
> were already there, or whether they started out on the
> inactive list.
Ok then do it for all pages that go back not just for those
Christoph Lameter wrote:
On Tue, 20 Feb 2007, Rik van Riel wrote:
It was the portion that modifies shrink_active_list. Why operate
on the pagevec there? The pagevec only contains the leftovers to be released
from scanning over the temporary inactive list.
Why? Because the pages that were not
On Tue, 20 Feb 2007, Rik van Riel wrote:
> > It was the portion that modifies shrink_active_list. Why operate
> > on the pagevec there? The pagevec only contains the leftovers to be released
> > from scanning over the temporary inactive list.
>
> Why? Because the pages that were not referenced w
Christoph Lameter wrote:
On Fri, 16 Feb 2007, Rik van Riel wrote:
What do you think?
Looks good apart from one passage (which just vanished when I tried to
reply, please post patches as inline text).
It was the portion that modifies shrink_active_list. Why operate
on the pagevec there? The
On Fri, 16 Feb 2007, Rik van Riel wrote:
> What do you think?
Looks good apart from one passage (which just vanished when I tried to
reply, please post patches as inline text).
It was the portion that modifies shrink_active_list. Why operate
on the pagevec there? The pagevec only contains the l
The attached patch does what I described in the other thread, it
makes the pageout code free swap space when swap is getting full,
by taking away the swap space from pages that get moved onto or
back onto the active list.
In some tests on a system with 2GB RAM and 1GB swap, it kept the
free swap
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