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Message-ID: <20140709085159.GA10693@infradead.org> Date: Wed, 9 Jul 2014 01:51:59 -0700 From: Christoph Hellwig <hch@...radead.org> To: Naoya Horiguchi <n-horiguchi@...jp.nec.com> Cc: Christoph Hellwig <hch@...radead.org>, Andrew Morton <akpm@...ux-foundation.org>, Konstantin Khlebnikov <koct9i@...il.com>, Wu Fengguang <fengguang.wu@...el.com>, Arnaldo Carvalho de Melo <acme@...hat.com>, Borislav Petkov <bp@...en8.de>, "Kirill A. Shutemov" <kirill@...temov.name>, Johannes Weiner <hannes@...xchg.org>, Rusty Russell <rusty@...tcorp.com.au>, David Miller <davem@...emloft.net>, Andres Freund <andres@...quadrant.com>, linux-kernel@...r.kernel.org, linux-mm@...ck.org, Dave Hansen <dave.hansen@...el.com>, Dave Chinner <david@...morbit.com>, Michael Kerrisk <mtk.manpages@...il.com>, Linux API <linux-api@...r.kernel.org>, Naoya Horiguchi <nao.horiguchi@...il.com> Subject: Re: [PATCH v3 0/3] mm: introduce fincore() v3 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. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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