linux-kernel - Re: [PATCH 2/3] make new alloc_pages

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Message-ID: <op.vttl1ho83l0zgt@mnazarewicz-glaptop>
Date:	Tue, 12 Apr 2011 12:28:19 +0200
From:	"Michal Nazarewicz" <mina86@...a86.com>
To:	"Dave Hansen" <dave@...ux.vnet.ibm.com>,
	"Andrew Morton" <akpm@...ux-foundation.org>
Cc:	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	"Timur Tabi" <timur@...escale.com>,
	"Andi Kleen" <andi@...stfloor.org>, "Mel Gorman" <mel@....ul.ie>,
	"David Rientjes" <rientjes@...gle.com>
Subject: Re: [PATCH 2/3] make new alloc_pages_exact()

> Dave Hansen <dave@...ux.vnet.ibm.com> wrote:
>> +void __free_pages_exact(struct page *page, size_t nr_pages)
>> +{
>> +	struct page *end = page + nr_pages;
>> +
>> +	while (page < end) {
>> +		__free_page(page);
>> +		page++;
>> +	}
>> +}
>> +EXPORT_SYMBOL(__free_pages_exact);

On Tue, 12 Apr 2011 00:22:23 +0200, Andrew Morton wrote:
> Really, this function duplicates release_pages().

It requires an array of pointers to pages which is not great though if one
just wants to free a contiguous sequence of pages.

-- 
Best regards,                                         _     _
.o. | Liege of Serenely Enlightened Majesty of      o' \,=./ `o
..o | Computer Science,  Michal "mina86" Nazarewicz    (o o)
ooo +-----<email/xmpp: mnazarewicz@...gle.com>-----ooO--(_)--Ooo--
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