lkml.org 
[lkml]   [2007]   [Mar]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: PATCH 2.6.21-rc1 aoe: handle zero _count pages in bios
On Thu, Mar 01, 2007 at 08:48:06PM -0800, Andrew Morton wrote:
> On Fri, 2 Mar 2007 04:30:39 +0000 Christoph Hellwig <hch@infradead.org> wrote:
>
> > But in this case we'd really need to enforce this, and add a
> > BUG_ON(PageSlab(page)) in bio_add_page to trip everyone submit
> > this kind of pages.
>
> That would be
>
> BUG_ON(PageSlab(page) && page_count(page) == 0)?

No, all slab pages. Currently they all have a reference count of
zero, but we generally don't want people to pass in pages that
come from a non-refcounted allocator.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-03-02 05:53    [W:0.042 / U:0.260 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site