lkml.org 
[lkml]   [2011]   [Nov]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 3/8] readahead: replace ra->mmap_miss with ra->ra_flags
On Wed, 23 Nov 2011 20:47:45 +0800
Wu Fengguang <fengguang.wu@intel.com> wrote:

> > should be ulong, which is compatible with the bitops.h code.
> > Or perhaps we should use a bitfield and let the compiler do the work.
>
> What if we do
>
> u16 mmap_miss;
> u16 ra_flags;
>
> That would get rid of this patch. I'd still like to pack the various
> flags as well as pattern into one single ra_flags, which makes it
> convenient to pass things around (as one single parameter).

I'm not sure that this will improve things much...

Again, how does the code look if you use a bitfield and let the
compiler do the worK?


\
 
 \ /
  Last update: 2011-11-23 21:33    [W:0.087 / U:0.240 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site