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From: Christoph Hellwig <hch@infradead.org>
To: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: 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,
	linux-man@vger.kernel.org
Subject: Re: [PATCH 2/3] mm: introduce fincore()
Date: Sun, 1 Jun 2014 23:42:26 -0700	[thread overview]
Message-ID: <20140602064226.GA31675@infradead.org> (raw)
In-Reply-To: <1401686699-9723-3-git-send-email-n-horiguchi@ah.jp.nec.com>

Please also provide a man page for the system call.

I'm also very unhappy about the crazy different interpretation of the
return value depending on flags, which probably becomes more obvious if
you try to document it.

That being said I think fincore is useful, but why not stick to the
same simple interface as mincore?

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  reply	other threads:[~2014-06-02  6:43 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-21  2:26 [PATCH 0/4] pagecache scanning with /proc/kpagecache Naoya Horiguchi
2014-05-21  2:26 ` [PATCH 1/4] radix-tree: add end_index to support ranged iteration Naoya Horiguchi
2014-05-21  8:21   ` Konstantin Khlebnikov
2014-05-21 19:26     ` Naoya Horiguchi
2014-05-21  2:26 ` [PATCH 2/4] fs/proc/page.c: introduce /proc/kpagecache interface Naoya Horiguchi
2014-05-21  2:26 ` [PATCH 3/4] tools/vm/page-types.c: rework on file cache scanning mode Naoya Horiguchi
2014-05-21  2:26 ` [PATCH 4/4] Documentation: update Documentation/vm/pagemap.txt Naoya Horiguchi
2014-05-21 22:42 ` [PATCH 0/4] pagecache scanning with /proc/kpagecache Andrew Morton
2014-05-22  2:19   ` Naoya Horiguchi
     [not found]   ` <537d5ee4.4914e00a.5672.ffff85d5SMTPIN_ADDED_BROKEN@mx.google.com>
2014-05-22  2:33     ` Andrew Morton
2014-05-22  9:50       ` Konstantin Khlebnikov
2014-05-22 10:36         ` Kirill A. Shutemov
2014-05-22 17:47           ` Naoya Horiguchi
2014-05-22 21:02             ` Naoya Horiguchi
2014-06-02  5:24       ` [RFC][PATCH 0/3] mm: introduce fincore() Naoya Horiguchi
2014-06-02  5:24         ` [PATCH 1/3] replace PAGECACHE_TAG_* definition with enumeration Naoya Horiguchi
2014-06-02 16:12           ` Dave Hansen
2014-06-02 16:37             ` Naoya Horiguchi
     [not found]             ` <1401727052-f7v7kykv@n-horiguchi@ah.jp.nec.com>
2014-06-02 16:45               ` Dave Hansen
2014-06-02 17:14                 ` Naoya Horiguchi
2014-06-02 18:19                   ` Dave Hansen
2014-06-02 18:48                     ` Naoya Horiguchi
2014-06-02 21:16             ` Andrew Morton
2014-06-02 21:51               ` Naoya Horiguchi
2014-06-02  5:24         ` [PATCH 2/3] mm: introduce fincore() Naoya Horiguchi
2014-06-02  6:42           ` Christoph Hellwig [this message]
2014-06-02 14:19             ` Naoya Horiguchi
2014-06-02  7:06           ` Michael Kerrisk
2014-06-02 14:21             ` Naoya Horiguchi
2014-06-02 12:23           ` Kirill A. Shutemov
2014-06-02 14:52             ` Naoya Horiguchi
2014-06-02 16:11           ` Dave Hansen
2014-06-02 16:22             ` Naoya Horiguchi
2014-06-02  5:24         ` [PATCH 3/3] selftest: add test code for fincore() Naoya Horiguchi

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