On Fri, May 09, 2014 at 11:12:01AM -0400, Rik van Riel wrote:
> On 05/09/2014 02:28 AM, Minchan Kim wrote:
> >On Fri, May 09, 2014 at 03:17:14PM +0900, Minchan Kim wrote:
> >>Hello Rik,
> >>
> >>On Thu, May 08, 2014 at 04:04:33PM -0400, Rik van Riel wrote:
> >>>On 04/20/2014 09:56 PM, Minchan Kim w
On 05/09/2014 02:28 AM, Minchan Kim wrote:
On Fri, May 09, 2014 at 03:17:14PM +0900, Minchan Kim wrote:
Hello Rik,
On Thu, May 08, 2014 at 04:04:33PM -0400, Rik van Riel wrote:
On 04/20/2014 09:56 PM, Minchan Kim wrote:
In summary, MADV_FREE is about 2 time faster than MADV_DONTNEED.
This
On Fri, May 09, 2014 at 03:17:14PM +0900, Minchan Kim wrote:
> Hello Rik,
>
> On Thu, May 08, 2014 at 04:04:33PM -0400, Rik van Riel wrote:
> > On 04/20/2014 09:56 PM, Minchan Kim wrote:
> >
> > >In summary, MADV_FREE is about 2 time faster than MADV_DONTNEED.
> >
> > This is awesome.
>
> Thank
Hello Rik,
On Thu, May 08, 2014 at 04:04:33PM -0400, Rik van Riel wrote:
> On 04/20/2014 09:56 PM, Minchan Kim wrote:
>
> >In summary, MADV_FREE is about 2 time faster than MADV_DONTNEED.
>
> This is awesome.
Thanks!
>
> I have a few nitpicks with the patch, though :)
>
> >+static long madvi
On 04/20/2014 09:56 PM, Minchan Kim wrote:
In summary, MADV_FREE is about 2 time faster than MADV_DONTNEED.
This is awesome.
I have a few nitpicks with the patch, though :)
+static long madvise_lazyfree(struct vm_area_struct *vma,
+struct vm_area_struct **prev,
+
bump
On Mon, Apr 21, 2014 at 10:56:08AM +0900, Minchan Kim wrote:
> Linux doesn't have an ability to free pages lazy while other OS
> already have been supported that named by madvise(MADV_FREE).
>
> The gain is clear that kernel can discard freed pages rather than
> swapping out or OOM if memory
Linux doesn't have an ability to free pages lazy while other OS
already have been supported that named by madvise(MADV_FREE).
The gain is clear that kernel can discard freed pages rather than
swapping out or OOM if memory pressure happens.
Without memory pressure, freed pages would be reused by u
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