lkml.org 
[lkml]   [2014]   [Jan]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] lockdep: increase static allocations
On 01/08/2014 02:51 PM, Andi Kleen wrote:
> Sasha Levin <sasha.levin@oracle.com> writes:
>
>> Fuzzing a recent kernel with a large configuration hits the static
>> allocation limits and disables lockdep.
>
> Doesn't that use a lot more memory? I thought lockdep preallocates.
>
> Doubling may be too aggressive.

The patch adds about 4MB of memory usage, I didn't think it's too much for something
that is only enabled during debugging.

If this is an issue, can I suggest making these values configurable in the .config
and just let users pick whatever they want?


Thanks,
Sasha



\
 
 \ /
  Last update: 2014-01-08 21:41    [W:0.103 / U:0.024 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site