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Subject: Re: [PATCH] btrfs: allocate exact page array size in extent_buffer
To: David Sterba <dsterba@suse.com>, <linux-btrfs@vger.kernel.org>
References: <1468499372-24687-1-git-send-email-dsterba@suse.com>
CC: <chandan@linux.vnet.ibm.com>
From: Chris Mason <clm@fb.com>
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Date: Thu, 14 Jul 2016 12:21:31 -0400
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On 07/14/2016 08:29 AM, David Sterba wrote:
> The calculation of extent_buffer::pages size was done for 4k PAGE_SIZE,
> but this wastes 15 unused pointers on arches with large page size. Eg.
> on ppc64 this gives 15 * 8 = 120 bytes.
>
> Signed-off-by: David Sterba <dsterba@suse.com>

Reviewed-by: Chris Mason <clm@fb.com>

-chris