lkml.org 
[lkml]   [2007]   [Dec]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [BUG 2.6.24-rc3-git6] SLUB's ksize() fails for size > 2048.
Hi Vegard,

On 12/2/07, Vegard Nossum <vegard.nossum@gmail.com> wrote:
> diff --git a/mm/slub.c b/mm/slub.c
> index 9acb413..b9f37cb 100644
> --- a/mm/slub.c
> +++ b/mm/slub.c
> @@ -2558,8 +2558,12 @@ size_t ksize(const void *object)
> if (unlikely(object == ZERO_SIZE_PTR))
> return 0;
>
> - page = get_object_page(object);
> + page = virt_to_head_page(object);
> BUG_ON(!page);
> +
> + if (unlikely(!PageSlab(page)))
> + return PAGE_SIZE << compound_order(page);
> +
> s = page->slab;
> BUG_ON(!s);

Looks good to me.

Reviewed-by: Pekka Enberg <penberg@cs.helsinki.fi>


\
 
 \ /
  Last update: 2007-12-02 19:25    [W:0.058 / U:0.276 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site