From: Andrew Morton <akpm@linux-foundation.org>
To: Andi Kleen <ak@linux.intel.com>
Cc: Andi Kleen <andi@firstfloor.org>,
linux-mm@kvack.org, Andrea Arcangeli <aarcange@redhat.com>,
Rik van Riel <riel@redhat.com>,
tim.c.chen@linux.intel.com, torvalds@linux-foundation.org,
lwoodman@redhat.com, mel@csn.ul.ie
Subject: Re: [PATCH 1/4] VM/RMAP: Add infrastructure for batching the rmap chain locking
Date: Mon, 9 May 2011 15:28:41 -0700 [thread overview]
Message-ID: <20110509152841.ec957d23.akpm@linux-foundation.org> (raw)
In-Reply-To: <4DC86947.30607@linux.intel.com>
On Mon, 09 May 2011 15:23:03 -0700
Andi Kleen <ak@linux.intel.com> wrote:
> > After fixing that and doing an allnoconfig x86_64 build, the patchset
> > takes rmap.o's .text from 6167 bytes to 6551. This is likely to be a
> > regression for uniprocessor machines. What can we do about this?
> >
>
> Regression in what way?
It makes the code larger and probably slower, for no gain?
> I guess I can move some of the functions out of
> line.
I don't know how much that will help. Perhaps a wholesale refactoring
and making it all SMP-only will be justified.
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2011-05-09 22:29 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-05 19:32 Batch locking for rmap fork/exit processing Andi Kleen
2011-05-05 19:32 ` [PATCH 1/4] VM/RMAP: Add infrastructure for batching the rmap chain locking Andi Kleen
2011-05-06 15:59 ` Rik van Riel
2011-05-09 21:43 ` Andrew Morton
2011-05-09 22:23 ` Andi Kleen
2011-05-09 22:28 ` Andrew Morton [this message]
2011-05-09 23:02 ` Andi Kleen
2011-05-09 23:16 ` Andrew Morton
2011-05-10 0:05 ` Andi Kleen
2011-05-10 1:26 ` Andrew Morton
2011-05-10 1:27 ` Rik van Riel
2011-05-10 1:48 ` Andrew Morton
2011-05-05 19:32 ` [PATCH 2/4] VM/RMAP: Batch anon vma chain root locking in fork Andi Kleen
2011-05-06 15:59 ` Rik van Riel
2011-05-05 19:32 ` [PATCH 3/4] VM/RMAP: Batch anon_vma_unlink in exit Andi Kleen
2011-05-06 16:48 ` Rik van Riel
2011-05-05 19:32 ` [PATCH 4/4] VM/RMAP: Move avc freeing outside the lock Andi Kleen
2011-05-06 16:52 ` Rik van Riel
2011-05-06 16:44 ` Batch locking for rmap fork/exit processing Linus Torvalds
2011-05-06 17:05 ` Andi Kleen
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20110509152841.ec957d23.akpm@linux-foundation.org \
--to=akpm@linux-foundation.org \
--cc=aarcange@redhat.com \
--cc=ak@linux.intel.com \
--cc=andi@firstfloor.org \
--cc=linux-mm@kvack.org \
--cc=lwoodman@redhat.com \
--cc=mel@csn.ul.ie \
--cc=riel@redhat.com \
--cc=tim.c.chen@linux.intel.com \
--cc=torvalds@linux-foundation.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.