On 2014/8/11 19:54, Peter Zijlstra wrote:
On Mon, Aug 11, 2014 at 01:26:45AM +, Sha, Ruibin wrote:
Hi Chintan,
Thank you very much for your timely and kindly response and comments.
Here is more detail about our Scenario:
We have a big driver on Android product. The driver allocates lo
On Mon, Aug 11, 2014 at 01:26:45AM +, Sha, Ruibin wrote:
> Hi Chintan,
> Thank you very much for your timely and kindly response and comments.
>
> Here is more detail about our Scenario:
>
> We have a big driver on Android product. The driver allocates lots of
> DDR pages. When applic
...@codeaurora.org]
Sent: Friday, August 8, 2014 9:40 PM
To: Sha, Ruibin
Cc: linux-kernel@vger.kernel.org; linux...@kvack.org; m...@csn.ul.ie;
a.p.zijls...@chello.nl; mgor...@suse.de; mi...@redhat.com; Zhang, Yanmin; He, Bo
Subject: Re: [PATCH] export the function kmap_flush_unused.
On 08/08/2014 02
: Sha, Ruibin
Cc: linux-kernel@vger.kernel.org; linux...@kvack.org; m...@csn.ul.ie;
a.p.zijls...@chello.nl; mgor...@suse.de; mi...@redhat.com; Zhang, Yanmin; He, Bo
Subject: Re: [PATCH] export the function kmap_flush_unused.
On 08/08/2014 02:46 PM, Sha, Ruibin wrote:
> export the funct
On 08/08/2014 02:46 PM, Sha, Ruibin wrote:
export the function kmap_flush_unused.
Scenario: When graphic driver need high memory spece, we use alloc_pages()
to allocate. But if the allocated page has just been
mapped in the KMAP space(like first kmap then kunmap) and
no flush page happened on PK
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