lkml.org 
[lkml]   [2018]   [Mar]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH 1/7] genalloc: track beginning of allocations
From
Date


On 06/03/18 18:05, Igor Stoppa wrote:
> On 06/03/2018 16:10, Matthew Wilcox wrote:

[...]

>> This seems unnecessarily complicated.
>
> TBH it seemed to me a natural extension of the existing encoding :-)

BTW, to provide some background, this is where it begun:

http://www.openwall.com/lists/kernel-hardening/2017/08/18/4

Probably that comment about "keeping existing behavior and managing two
bitmaps locklessly" is what made me think of growing the 1-bit-per-unit
into a 1-word-per-unit.

--
igor

\
 
 \ /
  Last update: 2018-03-07 11:53    [W:0.135 / U:0.016 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site