From: Christoph Hellwig <hch@infradead.org>
To: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Christoph Hellwig <hch@infradead.org>,
Andrew Morton <akpm@linux-foundation.org>,
Konstantin Khlebnikov <koct9i@gmail.com>,
Wu Fengguang <fengguang.wu@intel.com>,
Arnaldo Carvalho de Melo <acme@redhat.com>,
Borislav Petkov <bp@alien8.de>,
"Kirill A. Shutemov" <kirill@shutemov.name>,
Johannes Weiner <hannes@cmpxchg.org>,
Rusty Russell <rusty@rustcorp.com.au>,
David Miller <davem@davemloft.net>,
Andres Freund <andres@2ndquadrant.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Dave Hansen <dave.hansen@intel.com>,
Dave Chinner <david@fromorbit.com>,
Michael Kerrisk <mtk.manpages@gmail.com>,
Linux API <linux-api@vger.kernel.org>,
Naoya Horiguchi <nao.horiguchi@gmail.com>
Subject: Re: [PATCH v3 0/3] mm: introduce fincore() v3
Date: Wed, 9 Jul 2014 01:51:59 -0700 [thread overview]
Message-ID: <20140709085159.GA10693@infradead.org> (raw)
In-Reply-To: <20140708132755.GA24698@nhori>
On Tue, Jul 08, 2014 at 09:27:55AM -0400, Naoya Horiguchi wrote:
> On Tue, Jul 08, 2014 at 05:16:18AM -0700, Christoph Hellwig wrote:
> > Still a hard NAK for exposing page flags in a syscall ABI. These are
> > way to volatile to go into an application interface.
>
> Is there any specific reason that exporting via syscall ABI is more
> volatile than exporting via procfs as /proc/kpageflags alreadly does?
An optional proc debug output is very different from an actual system
call.
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WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@infradead.org>
To: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Christoph Hellwig <hch@infradead.org>,
Andrew Morton <akpm@linux-foundation.org>,
Konstantin Khlebnikov <koct9i@gmail.com>,
Wu Fengguang <fengguang.wu@intel.com>,
Arnaldo Carvalho de Melo <acme@redhat.com>,
Borislav Petkov <bp@alien8.de>,
"Kirill A. Shutemov" <kirill@shutemov.name>,
Johannes Weiner <hannes@cmpxchg.org>,
Rusty Russell <rusty@rustcorp.com.au>,
David Miller <davem@davemloft.net>,
Andres Freund <andres@2ndquadrant.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Dave Hansen <dave.hansen@intel.com>,
Dave Chinner <david@fromorbit.com>,
Michael Kerrisk <mtk.manpages@gmail.com>,
Linux API <linux-api@vger.kernel.org>,
Naoya Horiguchi <nao.horiguchi@gmail.com>
Subject: Re: [PATCH v3 0/3] mm: introduce fincore() v3
Date: Wed, 9 Jul 2014 01:51:59 -0700 [thread overview]
Message-ID: <20140709085159.GA10693@infradead.org> (raw)
In-Reply-To: <20140708132755.GA24698@nhori>
On Tue, Jul 08, 2014 at 09:27:55AM -0400, Naoya Horiguchi wrote:
> On Tue, Jul 08, 2014 at 05:16:18AM -0700, Christoph Hellwig wrote:
> > Still a hard NAK for exposing page flags in a syscall ABI. These are
> > way to volatile to go into an application interface.
>
> Is there any specific reason that exporting via syscall ABI is more
> volatile than exporting via procfs as /proc/kpageflags alreadly does?
An optional proc debug output is very different from an actual system
call.
next prev parent reply other threads:[~2014-07-09 8:51 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-07 18:00 [PATCH v3 0/3] mm: introduce fincore() v3 Naoya Horiguchi
2014-07-07 18:00 ` Naoya Horiguchi
2014-07-07 18:00 ` [PATCH v3 1/3] mm: introduce fincore() Naoya Horiguchi
2014-07-07 18:00 ` Naoya Horiguchi
2014-07-07 19:01 ` Dave Hansen
2014-07-07 19:01 ` Dave Hansen
2014-07-07 20:21 ` Naoya Horiguchi
2014-07-07 20:21 ` Naoya Horiguchi
2014-07-07 20:43 ` Dave Hansen
2014-07-07 20:43 ` Dave Hansen
2014-07-07 21:48 ` Naoya Horiguchi
2014-07-07 21:48 ` Naoya Horiguchi
2014-07-07 22:44 ` Dave Hansen
2014-07-07 22:44 ` Dave Hansen
2014-07-08 15:35 ` Naoya Horiguchi
2014-07-08 15:35 ` Naoya Horiguchi
2014-07-08 19:03 ` Naoya Horiguchi
2014-07-08 19:03 ` Naoya Horiguchi
2014-07-08 19:42 ` Dave Hansen
2014-07-08 19:42 ` Dave Hansen
2014-07-08 20:41 ` Naoya Horiguchi
2014-07-08 20:41 ` Naoya Horiguchi
2014-07-08 22:32 ` Dave Hansen
2014-07-08 22:32 ` Dave Hansen
2014-07-11 16:53 ` Naoya Horiguchi
2014-07-11 16:53 ` Naoya Horiguchi
2014-07-07 18:00 ` [PATCH v3 2/3] selftests/fincore: add test code for fincore() Naoya Horiguchi
2014-07-07 18:00 ` Naoya Horiguchi
2014-07-07 18:00 ` [PATCH v3 3/3] man2/fincore.2: document general description about fincore(2) Naoya Horiguchi
2014-07-07 18:00 ` Naoya Horiguchi
[not found] ` <1404756006-23794-4-git-send-email-n-horiguchi-PaJj6Psr51x8UrSeD/g0lQ@public.gmane.org>
2014-07-07 19:08 ` Dave Hansen
2014-07-07 19:08 ` Dave Hansen
2014-07-07 19:08 ` Dave Hansen
2014-07-07 20:59 ` Naoya Horiguchi
2014-07-07 20:59 ` Naoya Horiguchi
2014-07-07 22:34 ` Dave Hansen
2014-07-07 22:34 ` Dave Hansen
2014-07-08 15:43 ` Naoya Horiguchi
2014-07-08 15:43 ` Naoya Horiguchi
2014-07-08 12:16 ` [PATCH v3 0/3] mm: introduce fincore() v3 Christoph Hellwig
2014-07-08 12:16 ` Christoph Hellwig
2014-07-08 13:27 ` Naoya Horiguchi
2014-07-08 13:27 ` Naoya Horiguchi
2014-07-09 8:51 ` Christoph Hellwig [this message]
2014-07-09 8:51 ` Christoph Hellwig
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