From: Michal Hocko <mhocko@suse.cz>
To: Kenny Simpson <theonetruekenny@gmail.com>
Cc: linux-kernel@vger.kernel.org,
"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
Andrew Morton <akpm@linux-foundation.org>,
Peter Zijlstra <peterz@infradead.org>,
Dave Jones <davej@redhat.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Armin Rigo <arigo@tunes.org>
Subject: Re: remap_file_pages() use
Date: Mon, 19 May 2014 15:01:14 +0200 [thread overview]
Message-ID: <20140519130114.GA3140@dhcp22.suse.cz> (raw)
In-Reply-To: <CALN0BAu_ibgpVykHL-byKm_4X1Afr1R1LRC5ocYVzcqA_k=_9Q@mail.gmail.com>
[CCing Kirill and other people involved]
On Sun 18-05-14 00:03:28, Kenny Simpson wrote:
> I saw that remap_file_pages() was possibly going away to be replaced
> by some emulation. I've used this call in several projects over the
> years mostly as a way of mapping multiple virtual memory pages to
> alias the same private or shared memory region (to do things like
> circular buffers). mmap()
> in the case of anonymous memory doesn't work as well since there is
> not a file descriptor to reference.
>
> Would this sort of thing be supported in the emulation, or should I be
> planning on reimplementing/rewriting some things?
>
> thanks,
> -Kenny
> --
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> Please read the FAQ at http://www.tux.org/lkml/
--
Michal Hocko
SUSE Labs
next prev parent reply other threads:[~2014-05-19 13:01 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-18 4:03 Kenny Simpson
2014-05-19 13:01 ` Michal Hocko [this message]
2014-05-19 14:35 ` Kirill A. Shutemov
2014-05-19 14:38 ` Christoph Hellwig
2014-05-19 15:02 ` Kirill A. Shutemov
2014-05-19 15:11 ` Christoph Hellwig
2014-05-19 15:17 ` Kirill A. Shutemov
2014-05-19 15:42 ` Armin Rigo
2014-05-19 15:53 ` Kirill A. Shutemov
2014-05-19 16:42 ` Armin Rigo
2014-05-19 17:50 ` Dave Hansen
2014-05-19 22:05 ` Armin Rigo
2014-05-19 16:56 ` Christoph Hellwig
2014-05-19 19:14 ` Richard Weinberger
2014-05-26 0:19 ` Jeff Smith
2014-05-26 9:42 ` Kirill A. Shutemov
2014-05-26 13:24 ` Jeff Smith
2014-05-26 13:35 ` Paolo Bonzini
2014-05-26 13:38 ` Jeff Smith
2014-05-26 13:47 ` Kirill A. Shutemov
2014-05-26 13:52 ` Jeff Smith
2014-05-26 14:16 ` Kirill A. Shutemov
2014-05-26 13:37 ` Kirill A. Shutemov
2014-05-19 17:34 ` Kenny Simpson
2014-05-19 21:24 ` Kirill A. Shutemov
2014-05-21 1:53 ` Kenny Simpson
2014-05-21 3:56 ` Kenny Simpson
2014-05-21 4:32 ` Hugh Dickins
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