From: "dada1" <dada1@cosmosbay.com>
To: Benjamin LaHaise <bcrl@redhat.com>
Cc: Christoph Hellwig <hch@infradead.org>,
Rik van Riel <riel@conectiva.com.br>,
Andrew Morton <akpm@digeo.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [patch] remove hugetlb syscalls
Date: Thu, 14 Nov 2002 16:38:15 +0100 [thread overview]
Message-ID: <005401c28bf3$da8183f0$760010ac@edumazet> (raw)
In-Reply-To: <20021114103147.A17468@redhat.com>
Please look again into my mail :)
ptr = mmap(0, nbp*BIGSZ, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0) ;
if (ptr == (char *)-1)
ptr = mmap(0, nbp*BIGSZ, PROT_READ|PROT_WRITE, MAP_PRIVATE,
fd, 0);
mmap2(NULL, 4194304, PROT_READ|PROT_WRITE, MAP_SHARED, 3, 0) = -1 EINVAL
mmap2(NULL, 4194304, PROT_READ|PROT_WRITE, MAP_PRIVATE, 3, 0) = -1 EINVAL
I tried the two versions. MAP_SHARED and MAP_PRIVATE
From: "Benjamin LaHaise" <bcrl@redhat.com>
> On Thu, Nov 14, 2002 at 04:13:56PM +0100, dada1 wrote:
> > Thanks Christoph
> >
> > If I asked, this is because I tried the obvious and it doesnt work.
>
> It's a file. You need to use MAP_SHARED.
>
> -ben
>
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next prev parent reply other threads:[~2002-11-14 15:38 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-11-13 23:45 Benjamin LaHaise
2002-11-14 0:42 ` Rik van Riel
2002-11-14 8:52 ` dada1
2002-11-14 14:13 ` Christoph Hellwig
2002-11-14 15:13 ` dada1
2002-11-14 15:31 ` Benjamin LaHaise
2002-11-14 15:38 ` dada1 [this message]
2002-11-14 20:11 ` Rohit Seth
2002-11-14 20:36 ` William Lee Irwin III
[not found] ` <3DD3FED2.2010901@unix-os.sc.intel.com>
2002-11-14 20:01 ` Benjamin LaHaise
2002-11-14 21:06 ` Benjamin LaHaise
2002-11-14 20:30 ` William Lee Irwin III
2002-11-14 20:48 ` Benjamin LaHaise
2002-11-14 21:02 ` William Lee Irwin III
2002-11-14 21:11 ` Benjamin LaHaise
2002-11-14 21:31 ` William Lee Irwin III
2002-11-14 21:40 ` Rohit Seth
2002-11-14 21:59 ` Benjamin LaHaise
2002-11-14 21:06 ` Benjamin LaHaise
2002-11-14 21:06 ` Benjamin LaHaise
2002-11-14 22:12 Seth, Rohit
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