Messages in this thread | | | Date | Tue, 07 Oct 2008 10:20:57 -0500 | From | Christoph Lameter <> | Subject | Re: [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.
| |