lkml.org 
[lkml]   [2013]   [Jan]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [RFC][PATCH] slub: Keep page and object in sync in slab_alloc_node()
From
Date
On Thu, 2013-01-17 at 18:20 -0500, Steven Rostedt wrote:
> object = c->freelist;
> page = c->page;

Hmm, having local_irq_restore() here is probably just as good, as object
and page were grabbed together under it. It doesn't change the condition
below any.

/me updates patch.

-- Steve

> - if (unlikely(!object || !node_match(page, node)))
> +
> + new_object = !object || !node_match(page, node);
> + local_irq_restore(flags);
> +
> + if (new_object)
> object = __slab_alloc(s, gfpflags, node, addr, c);
>
> else {
>




\
 
 \ /
  Last update: 2013-01-18 02:01    [W:0.107 / U:0.076 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site