From: Dave Hansen <dave@linux.vnet.ibm.com>
To: David Rientjes <rientjes@google.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Timur Tabi <timur@freescale.com>,
Andi Kleen <andi@firstfloor.org>, Mel Gorman <mel@csn.ul.ie>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH 1/2] rename alloc_pages_exact()
Date: Thu, 07 Apr 2011 14:58:57 -0700 [thread overview]
Message-ID: <1302213537.8184.4105.camel@nimitz> (raw)
In-Reply-To: <alpine.DEB.2.00.1104071437130.14967@chino.kir.corp.google.com>
On Thu, 2011-04-07 at 14:40 -0700, David Rientjes wrote:
> > alloc_pages_exact() returns a virtual address. But, alloc_pages() returns
> > a 'struct page *'. That makes for very confused kernel hackers.
> >
> > __get_free_pages(), on the other hand, returns virtual addresses. That
> > makes alloc_pages_exact() a much closer match to __get_free_pages(), so
> > rename it to get_free_pages_exact().
> >
>
> The patch also reverses the arguments of the function in
> include/linux/gfp.h, undoubtedly to resemble the (mask, order) appearance
> of __get_free_pages():
>
> -void *alloc_pages_exact(size_t size, gfp_t gfp_mask);
> +void *get_free_pages_exact(gfp_t gfp_mask, size_t size);
Thanks. I dumped the fixes for that in the second patch. Whoops. Will
repost.
-- Dave
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prev parent reply other threads:[~2011-04-07 21:59 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-07 17:21 [PATCH 1/2] rename alloc_pages_exact() Dave Hansen
2011-04-07 17:21 ` [PATCH 2/2] make new alloc_pages_exact() Dave Hansen
2011-04-07 22:03 ` David Rientjes
2011-04-07 22:17 ` Dave Hansen
2011-04-08 12:28 ` Michal Nazarewicz
2011-04-08 13:19 ` Dave Hansen
2011-04-08 13:23 ` Michal Nazarewicz
2011-04-08 22:06 ` Dave Hansen
2011-04-07 21:40 ` [PATCH 1/2] rename alloc_pages_exact() David Rientjes
2011-04-07 21:58 ` Dave Hansen [this message]
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