From: Andi Kleen <andi@firstfloor.org>
To: Wu Fengguang <fengguang.wu@intel.com>
Cc: Andi Kleen <andi@firstfloor.org>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Andrew Morton <akpm@linux-foundation.org>,
LKML <linux-kernel@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>
Subject: Re: [RFC][PATCH] proc: export more page flags in /proc/kpageflags (take 3)
Date: Thu, 23 Apr 2009 10:54:06 +0200 [thread overview]
Message-ID: <20090423085405.GL13896@one.firstfloor.org> (raw)
In-Reply-To: <20090423081047.GA18898@localhost>
> Good idea.
>
> Would you recommend a good way to identify huge pages?
> Test by page order, or by (dtor == free_huge_page)?
That doesn't work for GB pages. The best way would be to make
slub stop using it and then check for compound, but I don't know what
this implies. Otherwise would need some other way, perhaps a new
flag?
-Andi
--
ak@linux.intel.com -- Speaking for myself only.
WARNING: multiple messages have this Message-ID (diff)
From: Andi Kleen <andi@firstfloor.org>
To: Wu Fengguang <fengguang.wu@intel.com>
Cc: Andi Kleen <andi@firstfloor.org>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Andrew Morton <akpm@linux-foundation.org>,
LKML <linux-kernel@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>
Subject: Re: [RFC][PATCH] proc: export more page flags in /proc/kpageflags (take 3)
Date: Thu, 23 Apr 2009 10:54:06 +0200 [thread overview]
Message-ID: <20090423085405.GL13896@one.firstfloor.org> (raw)
In-Reply-To: <20090423081047.GA18898@localhost>
> Good idea.
>
> Would you recommend a good way to identify huge pages?
> Test by page order, or by (dtor == free_huge_page)?
That doesn't work for GB pages. The best way would be to make
slub stop using it and then check for compound, but I don't know what
this implies. Otherwise would need some other way, perhaps a new
flag?
-Andi
--
ak@linux.intel.com -- Speaking for myself only.
--
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>
next prev parent reply other threads:[~2009-04-23 8:50 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-14 4:22 [RFC][PATCH] proc: export more page flags in /proc/kpageflags Wu Fengguang
2009-04-14 4:22 ` Wu Fengguang
2009-04-14 4:36 ` Wu Fengguang
2009-04-14 4:37 ` KOSAKI Motohiro
2009-04-14 4:37 ` KOSAKI Motohiro
2009-04-14 6:41 ` Wu Fengguang
2009-04-14 6:41 ` Wu Fengguang
2009-04-14 6:54 ` KOSAKI Motohiro
2009-04-14 6:54 ` KOSAKI Motohiro
2009-04-14 7:11 ` Andi Kleen
2009-04-14 7:11 ` Andi Kleen
2009-04-14 7:17 ` KOSAKI Motohiro
2009-04-14 7:17 ` KOSAKI Motohiro
2009-04-15 13:18 ` Wu Fengguang
2009-04-15 13:18 ` Wu Fengguang
2009-04-15 13:57 ` Andi Kleen
2009-04-15 13:57 ` Andi Kleen
2009-04-16 2:41 ` Wu Fengguang
2009-04-16 2:41 ` Wu Fengguang
2009-04-16 3:54 ` Andi Kleen
2009-04-16 3:54 ` Andi Kleen
2009-04-16 4:43 ` Wu Fengguang
2009-04-16 4:43 ` Wu Fengguang
2009-04-16 2:26 ` KOSAKI Motohiro
2009-04-16 2:26 ` KOSAKI Motohiro
2009-04-16 3:49 ` Wu Fengguang
2009-04-16 3:49 ` Wu Fengguang
2009-04-16 6:30 ` Wu Fengguang
2009-04-16 6:30 ` Wu Fengguang
2009-04-23 2:26 ` [RFC][PATCH] proc: export more page flags in /proc/kpageflags (take 3) Wu Fengguang
2009-04-23 2:26 ` Wu Fengguang
2009-04-23 7:48 ` Andi Kleen
2009-04-23 7:48 ` Andi Kleen
2009-04-23 8:10 ` Wu Fengguang
2009-04-23 8:10 ` Wu Fengguang
2009-04-23 8:54 ` Andi Kleen [this message]
2009-04-23 8:54 ` Andi Kleen
2009-04-23 11:21 ` Wu Fengguang
2009-04-23 11:21 ` Wu Fengguang
2009-04-25 1:59 ` Wu Fengguang
2009-04-14 7:22 ` [RFC][PATCH] proc: export more page flags in /proc/kpageflags Wu Fengguang
2009-04-14 7:22 ` Wu Fengguang
2009-04-14 7:42 ` KOSAKI Motohiro
2009-04-14 7:42 ` KOSAKI Motohiro
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=20090423085405.GL13896@one.firstfloor.org \
--to=andi@firstfloor.org \
--cc=akpm@linux-foundation.org \
--cc=fengguang.wu@intel.com \
--cc=kosaki.motohiro@jp.fujitsu.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.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.