[lkml]   [2019]   [Oct]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH v1] mm: Fix access of uninitialized memmaps in fs/proc/page.c
On 09.10.19 15:29, Michal Hocko wrote:
> On Wed 09-10-19 15:24:05, David Hildenbrand wrote:
>> On 09.10.19 15:22, Michal Hocko wrote:
>>> On Wed 09-10-19 14:58:24, David Hildenbrand wrote:
>>> [...]
>>>> I would be fine with this, but it means that - for now - the three
>>>> /proc/ files won't be able to deal with ZONE_DEVICE memory.
>>> Thanks for the clarification. Is this an actual problem though? Do we
>>> have any consumers of the functionality?
>> I don't know, that's why I was being careful in not changing its behavior.
> Can we simply go with pfn_to_online_page. I would be quite surprised if
> anybody was really examining zone device memory ranges as they are
> static IIUC. If there is some usecase I am pretty sure we will learn
> that and can address it accordingly.

I consider it mostly a debug interface either way. Will rework, test and
resend. Thanks!



David / dhildenb

 \ /
  Last update: 2019-10-09 15:33    [W:0.028 / U:0.144 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site