From: Andi Kleen <andi@firstfloor.org>
To: "Penttilä Mika" <mika.penttila@ixonos.com>
Cc: Andi Kleen <andi@firstfloor.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] HWPOISON: Implement hwpoison-on-free for soft offlining
Date: Tue, 12 Oct 2010 16:30:22 +0200 [thread overview]
Message-ID: <20101012143022.GF20436@basil.fritz.box> (raw)
In-Reply-To: <1A61D8EA6755AF458F06EA669A4EC81815FDA736@JKLMAIL02.ixonos.local>
On Tue, Oct 12, 2010 at 02:23:15PM +0000, Penttilä Mika wrote:
> > >> bad_page(page);
> > >> return 1;
> > >> }
> > >
> > > And of course PAGE_FLAGS_CHECK_AT_FREE should include
> > > pahehwpoisononfree this to be effective
> >
> > It is of course (__PG_HWPOISON_ON_FREE)
> >
> Yes but it's not included in PAGE_FLAGS_CHECK_AT_FREE, if I'm not missing something
#ifdef CONFIG_HWPOISON_ON_FREE
PAGEFLAG(HWPoisonOnFree, hwpoison_on_free)
TESTSCFLAG(HWPoisonOnFree, hwpoison_on_free)
#define __PG_HWPOISON_ON_FREE (1UL << PG_hwpoison_on_free)
#else
PAGEFLAG_FALSE(HWPoisonOnFree)
SETPAGEFLAG_NOOP(HWPoisonOnFree)
#define __PG_HWPOISON_ON_FREE 0
#endif
...
#define PAGE_FLAGS_CHECK_AT_FREE \
(1 << PG_lru | 1 << PG_locked | \
1 << PG_private | 1 << PG_private_2 | \
1 << PG_buddy | 1 << PG_writeback | 1 << PG_reserved | \
1 << PG_slab | 1 << PG_swapcache | 1 << PG_active | \
1 << PG_unevictable | __PG_MLOCKED | __PG_HWPOISON | \
__PG_HWPOISON_ON_FREE)
-Andi
--
ak@linux.intel.com -- Speaking for myself only.
next prev parent reply other threads:[~2010-10-12 14:30 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-12 12:38 [PATCH] HWPOISON: Implement hwpoison-on-free for soft offlining Penttilä Mika
2010-10-12 14:06 ` Andi Kleen
2010-10-12 14:23 ` Penttilä Mika
2010-10-12 14:30 ` Andi Kleen [this message]
2010-10-12 14:33 ` Penttilä Mika
-- strict thread matches above, loose matches on Subject: below --
2010-10-06 22:09 RFC: Implement hwpoison on free " Andi Kleen
2010-10-06 22:09 ` [PATCH] HWPOISON: Implement hwpoison-on-free " Andi Kleen
2010-10-06 22:09 ` Andi Kleen
2010-10-12 12:26 ` Wu Fengguang
2010-10-12 12:26 ` Wu Fengguang
2010-10-12 12:37 ` Andi Kleen
2010-10-12 12:37 ` Andi Kleen
2010-10-12 12:41 ` Wu Fengguang
2010-10-12 12:41 ` Wu Fengguang
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=20101012143022.GF20436@basil.fritz.box \
--to=andi@firstfloor.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mika.penttila@ixonos.com \
/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.