lkml.org 
[lkml]   [2021]   [Feb]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RFC 1/2] mm: disable LRU pagevec during the migration temporarily
On Wed, Feb 17, 2021 at 09:11:43PM +0000, Matthew Wilcox wrote:
> On Wed, Feb 17, 2021 at 12:51:25PM -0800, Minchan Kim wrote:
> > I'd like to avoid atomic operation if we could.
>
> Why do you think that the spinlock is better?
>

Michal suggested atomic_inc in writeside and atomic_read in readside.
I wanted to avoid atomic operation in readside path.

You are suggesting atomic for writeside and just read(not atomic_read)
in readside?

\
 
 \ /
  Last update: 2021-02-17 22:24    [W:0.056 / U:0.416 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site