lkml.org 
[lkml]   [2006]   [May]   [30]   [last100]   RSS Feed
Views: [more markup]   [less markup]   [headers]   [forward]  
 
 
Messages in this thread
/
FromNikita Danilov <>
DateTue, 30 May 2006 12:24:17 +0400
SubjectRe: [rfc][patch] remove racy sync_page?
Nick Piggin writes:
 > Nick Piggin wrote:
 > > Linus Torvalds wrote:
 > > 
 > >>
 > >> Why do you think the IO layer should get larger requests?
 > > 
 > > 
 > > For workloads where plugging helps (ie. lots of smaller, contiguous
 > > requests going into the IO layer), should be pretty good these days
 > > due to multiple readahead and writeback.
 > 
 > Let me try again.
 > 
 > For workloads where plugging helps (ie. lots of smaller, contiguous
 > requests going into the IO layer), the request pattern should be
 > pretty good without plugging these days, due to multiple page
 > readahead and writeback.

Pageout by VM scanner doesn't benefit from those, and it is still quite
important in some workloads (e.g., mmap intensive).

Nikita.
-
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: 2006-05-30 10:31    [from the cache]
©2003-2008