Re: [PATCH] likely cleanup: revert unlikely in ll_back_merge_fn

On Tue 25-04-06 20:30:26, Jens Axboe wrote:
> On Tue, Apr 25 2006, Hua Zhong wrote:
> > With likely/unlikely profiling (see the recent patch [email protected] 
> > sent), on my not-so-busy-typical-development system it shows more than 
> > 80K misses and no hits. So I guess it makes sense to revert.
> > 
> > I don't know BIO code very well, but I hope this data is useful for the 
> > experts.
> 
> Well you'd want to optimize for the busy case, right, no point in
> optimizing for a more idle system.

Careful here... for battery-powered systems you may want to optimize
for idle system...
							Pavel
-- 
Thanks, Sharp!
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

---

• References:
  • [PATCH] likely cleanup: revert unlikely in ll_back_merge_fn
    • From: Hua Zhong <[email protected]>
  • Re: [PATCH] likely cleanup: revert unlikely in ll_back_merge_fn
    • From: Jens Axboe <[email protected]>

• Prev by Date: Re: [PATCH 7/7] uts namespaces: Implement CLONE_NEWUTS flag
• Next by Date: Re: [PATCH/RFC] minix filesystem update to V3 diffed to 2.6.17-rc3
• Previous by thread: RE: [PATCH] likely cleanup: revert unlikely in ll_back_merge_fn
• Next by thread: [PATCH] likely cleanup: remove unlikely in sys_mprotect()
• Index(es):
  • Date
  • Thread

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]