From: Ingo Molnar <mingo@elte.hu>
To: Hugh Dickins <hugh@veritas.com>
Cc: Andrew Morton <akpm@osdl.org>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] MAP_POPULATE prot 0
Date: Mon, 24 May 2004 23:13:55 +0200 [thread overview]
Message-ID: <20040524211355.GA16165@elte.hu> (raw)
In-Reply-To: <Pine.LNX.4.44.0405242003270.27145-100000@localhost.localdomain>
* Hugh Dickins <hugh@veritas.com> wrote:
> It seems eccentric to implement MAP_POPULATE only on PROT_NONE
> mappings: do_mmap_pgoff is passing down prot, then
> sys_remap_file_pages verifies it's not set. I guess that's an
> oversight from when we realized that the prot arg to
> sys_remap_file_pages was misdesigned.
yeah.
> There's another oddity whose heritage is harder for me to understand,
> so please let me leave it to you: sys_remap_file_pages is declared as
> asmlinkage in mm/fremap.c, but is the one syscall declared without
> asmlinkage in include/linux/syscalls.h.
i think that's just an oversight.
Ingo
prev parent reply other threads:[~2004-05-24 19:12 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-05-24 19:06 Hugh Dickins
2004-05-24 21:13 ` Ingo Molnar [this message]
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