From: Paolo Bonzini <pbonzini@redhat.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org, Hugh Dickins <hughd@google.com>,
Chris Friesen <chris.friesen@genband.com>
Subject: Re: [PATCH v2 1/2] msync: support syncing a small part of the file
Date: Mon, 02 Jul 2012 10:14:02 +0200 [thread overview]
Message-ID: <4FF1584A.6010903@redhat.com> (raw)
In-Reply-To: <20120622141253.1e9747cf.akpm@linux-foundation.org>
Il 22/06/2012 23:12, Andrew Morton ha scritto:
> Please recall my thus-far-utterly-and-irritatingly-ignored comments
> about nonlinear mappings. Presently an msync() on a nonlinear mapping
> will work correctly, because we sync the whole file, yes? And with
> this change, we will no longer sync all the pages which were covered by
> the affected memory range. Thus breaking the syscall?
The comment was not ignored, it was missed altogether, and you're
completely right.
Paolo
next prev parent reply other threads:[~2012-07-02 8:14 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-15 15:12 [PATCH v2 0/2] msync improvements Paolo Bonzini
2012-06-15 15:12 ` [PATCH v2 1/2] msync: support syncing a small part of the file Paolo Bonzini
2012-06-22 21:12 ` Andrew Morton
2012-07-02 8:14 ` Paolo Bonzini [this message]
2012-06-15 15:12 ` [PATCH v2 2/2] msync: start async writeout when MS_ASYNC Paolo Bonzini
2012-06-22 21:26 ` Andrew Morton
2012-07-02 8:15 ` Paolo Bonzini
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