lkml.org 
[lkml]   [2007]   [May]   [16]   [last100]   RSS Feed
Views: [more markup]  [less markup]  [headers]  [forward] 
 
Messages in this thread
/
DateWed, 16 May 2007 16:19:49 +1000
FromNick Piggin <>
SubjectRe: Pagecache zeroing: zero_user_segment, zero_user_segments and zero_user
Christoph Lameter wrote:
> On Wed, 16 May 2007, Nick Piggin wrote:
> 
> 
>>Well sure, if that's all Christoph is worried about, then it isn't
>>really valid because in generic code we have to follow the architecture
>>abstraction API -- there is no "non highmem platform" in generic code :)
> 
> 
> But there is a default KM_USER0 that is used in many functions.
> 
> F.e.
> 
> filemap_copy_from_user *_iovec xip_truncate_page clear_user_highpage 
> clear_highpage copy_user_highpage copy_highpage
> 
> So explicitly mentioning KM_USER0 in every function call is not a 
> requirement.

You probably have an argument there... but that's not to do with
highmem platforms or not.

-- 
SUSE Labs, Novell Inc.
-
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: 2007-05-16 08:23    [from the cache]
©2003-2008