lkml.org 
[lkml]   [2019]   [Dec]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 4.19 226/321] mm/hotplug: invalid PFNs from pfn_to_online_page()
On Thu, Dec 05, 2019 at 11:14:52PM +0100, Pavel Machek wrote:
> Hi!
>
> > This is due to the commit 9f1eb38e0e11 ("mm, kmemleak: little
> > optimization while scanning") starts to use pfn_to_online_page() instead
> > of pfn_valid(). However, in the CONFIG_MEMORY_HOTPLUG=y case,
> > pfn_to_online_page() does not call memblock_is_map_memory() while
> > pfn_valid() does.
> ...
> > Fixes: 9f1eb38e0e11 ("mm, kmemleak: little optimization while scanning")
>
> Commit 9f1eb38e0e11 does not seem to be in v4.19-stable tree. Is this
> commit still neccessary/good idea?

Good catch.

Sasha, should this be reverted? How did your scripts pick this?

thanks,

greg k-h

\
 
 \ /
  Last update: 2019-12-06 14:06    [W:0.179 / U:0.240 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site