From: Andi Kleen <ak@muc.de>
To: Matthew Wilcox <matthew@wil.cx>
Cc: linux-mm@kvack.org
Subject: Re: Shared mmaps
Date: Mon, 5 Mar 2001 11:52:19 +0100 [thread overview]
Message-ID: <20010305115219.A573@fred.local> (raw)
In-Reply-To: <20010304211053.F1865@parcelfarce.linux.theplanet.co.uk>; from matthew@wil.cx on Sun, Mar 04, 2001 at 10:10:53PM +0100
On Sun, Mar 04, 2001 at 10:10:53PM +0100, Matthew Wilcox wrote:
> Sparc & IA64 use a flag in the task_struct to indicate that they're trying
> to allocate an mmap which is shared. That's really ugly, let's just pass
> the flags in to the get_mapped_area function instead. I had to invent a
> new flag for this because mremap's flags are different to mmap's (bah!)
>
> Comments?
With some extensions I would also find it useful for x86-64 for the 32bit
mmap emulation (currently it's using a current-> hack)
For that flags would need to be passed to TASK_UNMAPPED_BASE.
-Andi
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next prev parent reply other threads:[~2001-03-05 10:52 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-03-04 21:10 Shared mmaps Matthew Wilcox
2001-03-05 0:59 ` Rik van Riel
2001-03-05 10:52 ` Andi Kleen [this message]
2001-03-05 17:50 ` Matthew Wilcox
2001-03-05 22:52 ` Andi Kleen
-- strict thread matches above, loose matches on Subject: below --
2001-03-05 0:20 Matthew Wilcox
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