lkml.org 
[lkml]   [2015]   [Dec]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRE: [PATCH v2 5/5] printk/nmi: Increase the size of the temporary buffer
Date
From: yalin wang
> Sent: 30 November 2015 16:42
> > On Nov 27, 2015, at 19:09, Petr Mladek <pmladek@suse.com> wrote:
> >
> > Testing has shown that the backtrace sometimes does not fit
> > into the 4kB temporary buffer that is used in NMI context.
> >
> > The warnings are gone when I double the temporary buffer size.

You are wasting a lot of memory for something that is infrequently used.
There ought to be some way of copying partial tracebacks into the
main buffer.

David

\
 
 \ /
  Last update: 2015-12-02 17:41    [W:0.168 / U:0.192 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site