lkml.org 
[lkml]   [2015]   [Nov]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v3] zram: try vmalloc() after kmalloc()
On Tue, 24 Nov 2015 08:28:57 +0900 Minchan Kim <minchan@kernel.org> wrote:

> > What's the reasoning behind the modification to the gfp flags?
> >
> > It clears __GFP_FS, __GFP_IO and even __GFP_WAIT. I suspect the latter
> > two (at least) can be retained. And given that vmalloc() uses
>
> This function is used in swapout and fs write path so we couldn't use
> those flags.

We can use __GFP_RECLAIM (used to be __GFP_WAIT). That permits the
allocation to wait for in-flight IO to complete and to reclaim clean
pagecache.



\
 
 \ /
  Last update: 2015-11-24 01:01    [W:0.066 / U:0.440 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site