lkml.org 
[lkml]   [2008]   [Oct]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [BUG] SLOB's krealloc() seems bust
Matt Mackall wrote:

> We can't dynamically determine whether a pointer points to a kmalloced
> object or not. kmem_cache_alloc objects have no header and live on the
> same pages as kmalloced ones.

Could you do a heuristic check? Assume that this is a kmalloc object and then
verify the values in the small control block? If the values are out of line
then this cannot be a kmalloc'ed object.





\
 
 \ /
  Last update: 2008-10-07 17:25    [W:0.189 / U:0.028 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site