lkml.org 
[lkml]   [2005]   [Jan]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH][5/?] count writeback pages in nr_scanned

> The caller would need to wait on all the zones which can satisfy the
> caller's allocation request. A bit messy, although not rocket science.
> One would have to be careful to avoid additional CPU consumption due to
> delivery of multiple wakeups at each I/O completion.
>
> We should be able to demonstrate that such a change really fixes some
> problem though. Otherwise, why bother?

Agreed. The current scheme works well enough, we dont have spurious OOM kills
anymore, which is the only "problem" such change ought to fix.

You might have performance increase in some situations I believe (because you
have perzone waitqueues), but I agree its does not seem to be worth the
trouble.
-
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: 2005-03-22 14:09    [W:0.083 / U:0.344 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site