From: Alex Thorlton <athorlton@sgi.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: "Kirill A. Shutemov" <kirill@shutemov.name>,
linux-mm@kvack.org, Ingo Molnar <mingo@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>,
"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Rik van Riel <riel@redhat.com>,
Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>,
Oleg Nesterov <oleg@redhat.com>,
"Eric W. Biederman" <ebiederm@xmission.com>,
Andy Lutomirski <luto@amacapital.net>,
Al Viro <viro@zeniv.linux.org.uk>,
Kees Cook <keescook@chromium.org>,
Andrea Arcangeli <aarcange@redhat.com>,
linux-kernel@vger.kernel.org, Mel Gorman <mgorman@suse.de>
Subject: Re: [RFC PATCH] mm: thp: Add per-mm_struct flag to control THP
Date: Fri, 10 Jan 2014 16:39:09 -0600 [thread overview]
Message-ID: <20140110223909.GA8666@sgi.com> (raw)
In-Reply-To: <20140110221010.GP31570@twins.programming.kicks-ass.net>
On Fri, Jan 10, 2014 at 11:10:10PM +0100, Peter Zijlstra wrote:
> We already have the information to determine if a page is shared across
> nodes, Mel even had some prototype code to do splits under those
> conditions.
I'm aware that we can determine if pages are shared across nodes, but I
thought that Mel's code to split pages under these conditions had some
performance issues. I know I've seen the code that Mel wrote to do
this, but I can't seem to dig it up right now. Could you point me to
it?
- Alex
--
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/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
WARNING: multiple messages have this Message-ID (diff)
From: Alex Thorlton <athorlton@sgi.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: "Kirill A. Shutemov" <kirill@shutemov.name>,
linux-mm@kvack.org, Ingo Molnar <mingo@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>,
"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Rik van Riel <riel@redhat.com>,
Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>,
Oleg Nesterov <oleg@redhat.com>,
"Eric W. Biederman" <ebiederm@xmission.com>,
Andy Lutomirski <luto@amacapital.net>,
Al Viro <viro@zeniv.linux.org.uk>,
Kees Cook <keescook@chromium.org>,
Andrea Arcangeli <aarcange@redhat.com>,
linux-kernel@vger.kernel.org, Mel Gorman <mgorman@suse.de>
Subject: Re: [RFC PATCH] mm: thp: Add per-mm_struct flag to control THP
Date: Fri, 10 Jan 2014 16:39:09 -0600 [thread overview]
Message-ID: <20140110223909.GA8666@sgi.com> (raw)
In-Reply-To: <20140110221010.GP31570@twins.programming.kicks-ass.net>
On Fri, Jan 10, 2014 at 11:10:10PM +0100, Peter Zijlstra wrote:
> We already have the information to determine if a page is shared across
> nodes, Mel even had some prototype code to do splits under those
> conditions.
I'm aware that we can determine if pages are shared across nodes, but I
thought that Mel's code to split pages under these conditions had some
performance issues. I know I've seen the code that Mel wrote to do
this, but I can't seem to dig it up right now. Could you point me to
it?
- Alex
next prev parent reply other threads:[~2014-01-10 22:39 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-10 19:55 [RFC PATCH] mm: thp: Add per-mm_struct flag to control THP Alex Thorlton
2014-01-10 19:55 ` Alex Thorlton
2014-01-10 20:23 ` Kirill A. Shutemov
2014-01-10 20:23 ` Kirill A. Shutemov
2014-01-10 22:01 ` Alex Thorlton
2014-01-10 22:01 ` Alex Thorlton
2014-01-10 22:10 ` Peter Zijlstra
2014-01-10 22:10 ` Peter Zijlstra
2014-01-10 22:39 ` Alex Thorlton [this message]
2014-01-10 22:39 ` Alex Thorlton
2014-01-14 15:44 ` Mel Gorman
2014-01-14 15:44 ` Mel Gorman
2014-01-14 19:38 ` Alex Thorlton
2014-01-14 19:38 ` Alex Thorlton
2014-01-22 10:26 ` Mel Gorman
2014-01-22 10:26 ` Mel Gorman
2014-01-22 17:53 ` Alex Thorlton
2014-01-22 17:53 ` Alex Thorlton
2014-01-22 21:46 ` David Rientjes
2014-01-22 21:46 ` David Rientjes
2014-01-10 22:23 ` Kirill A. Shutemov
2014-01-10 22:23 ` Kirill A. Shutemov
2014-01-14 15:47 ` Mel Gorman
2014-01-14 15:47 ` Mel Gorman
2014-01-11 16:11 ` Oleg Nesterov
2014-01-11 16:11 ` Oleg Nesterov
2014-01-11 15:53 ` Oleg Nesterov
2014-01-11 15:53 ` Oleg Nesterov
2014-01-11 19:30 ` Alex Thorlton
2014-01-11 19:30 ` Alex Thorlton
2014-01-12 13:56 ` Oleg Nesterov
2014-01-12 13:56 ` Oleg Nesterov
2014-01-13 18:59 ` Alex Thorlton
2014-01-13 18:59 ` Alex Thorlton
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=20140110223909.GA8666@sgi.com \
--to=athorlton@sgi.com \
--cc=aarcange@redhat.com \
--cc=akpm@linux-foundation.org \
--cc=benh@kernel.crashing.org \
--cc=ebiederm@xmission.com \
--cc=keescook@chromium.org \
--cc=kirill.shutemov@linux.intel.com \
--cc=kirill@shutemov.name \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=luto@amacapital.net \
--cc=mgorman@suse.de \
--cc=mingo@redhat.com \
--cc=n-horiguchi@ah.jp.nec.com \
--cc=oleg@redhat.com \
--cc=peterz@infradead.org \
--cc=riel@redhat.com \
--cc=viro@zeniv.linux.org.uk \
/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.