lkml.org 
[lkml]   [2020]   [Sep]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH v4 5/7] mm,hwpoison: drain pcplists before bailing out for non-buddy zero-refcount page
Date
On Thu, Sep 17, 2020 at 10:10:47AM +0200, Oscar Salvador wrote:
> A page with 0-refcount and !PageBuddy could perfectly be a pcppage.
> Currently, we bail out with an error if we encounter such a page, meaning
> that we do not handle pcppages neither from hard-offline nor from
> soft-offline path.
>
> Fix this by draining pcplists whenever we find this kind of page and retry
> the check again. It might be that pcplists have been spilled into the
> buddy allocator and so we can handle it.
>
> Signed-off-by: Oscar Salvador <osalvador@suse.de>

Acked-by: Naoya Horiguchi <naoya.horiguchi@nec.com>
\
 
 \ /
  Last update: 2020-09-25 04:23    [W:0.135 / U:0.376 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site