On Fri, Oct 04, 2013 at 07:13:31AM +0100, Phillip Lougher wrote:
> Minchan Kim wrote:
> >Sqsuashfs have used cache for normal data pages but it's pointless
> >because MM already has cache layer and squashfs adds extra pages
> >into MM's page cache when it reads a page from compressed block.
> >
>
Minchan Kim wrote:
Sqsuashfs have used cache for normal data pages but it's pointless
because MM already has cache layer and squashfs adds extra pages
into MM's page cache when it reads a page from compressed block.
This patch removes cache usage for normal data pages so it could
remove unneces
Hello Phillip,
On Thu, Sep 26, 2013 at 04:18:39AM +0100, Phillip Lougher wrote:
>
> Minchan Kim wrote:
> >
> >Hello chintu,
> >
> >
> >On Wed, Sep 25, 2013 at 5:13 PM, chintu kumar wrote:
> >>Hi Minchan,
> >>
> >>Thanks for the response!
> >>
> >>I checked add_to_page_cache_lru and you are righ
Minchan Kim wrote:
Hello chintu,
On Wed, Sep 25, 2013 at 5:13 PM, chintu kumar wrote:
Hi Minchan,
Thanks for the response!
I checked add_to_page_cache_lru and you are right for existing pages in page
cache it won't add the page you allocated so my questions are answered thank
you. Howeve
Hello chintu,
On Wed, Sep 25, 2013 at 5:13 PM, chintu kumar wrote:
> Hi Minchan,
>
> Thanks for the response!
>
> I checked add_to_page_cache_lru and you are right for existing pages in page
> cache it won't add the page you allocated so my questions are answered thank
> you. However my concern i
Sqsuashfs have used cache for normal data pages but it's pointless
because MM already has cache layer and squashfs adds extra pages
into MM's page cache when it reads a page from compressed block.
This patch removes cache usage for normal data pages so it could
remove unnecessary one copy(ie, from
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