* Re: CMA allocation failure and Latency issue
[not found] <22ed9e4c-962b-4e8c-8549-d8cca578957f@email.android.com>
@ 2019-03-07 8:09 ` Michal Hocko
0 siblings, 0 replies; only message in thread
From: Michal Hocko @ 2019-03-07 8:09 UTC (permalink / raw)
To: Pankaj Suryawanshi; +Cc: s.szyprowski, mina86, linux-mm, LKML
[Cc linux-mm and lkml]
Please do not use html emails, thanks!
On Thu 07-03-19 13:28:59, Pankaj Suryawanshi wrote:
> Hello,
>
> I am facing issue related to CMA allocation failure of large size buffer.
>
> I am beginner in Linux memory management. So I need your help to debug the
> issue,
>
> I have below questions
>
> 1. Why migration failed
> 2. Who pinned the pages, Which process pinned ,how to know ?
> 3. How to migrate pages forcefully so failure will avoid.(not preferable
> approach)
> etc.
>
> Any help would be appreciated.
>
> Please let me know if you require further information.
>
> Regards,
> Pankaj
--
Michal Hocko
SUSE Labs
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