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Date:   Fri, 16 Mar 2018 15:00:02 -0400
From:   Josef Bacik <josef@toxicpanda.com>
To:     Matthew Wilcox <willy@infradead.org>
Cc:     Andrew Morton <akpm@linux-foundation.org>,
        Matthew Wilcox <mawilcox@microsoft.com>,
        linux-kernel@vger.kernel.org, linux-mm@kvack.org,
        linux-fsdevel@vger.kernel.org,
        Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>,
        linux-nilfs@vger.kernel.org
Subject: Re: [PATCH v9 10/61] xarray: Change definition of sibling entries
Message-ID: <20180316190001.56clqrub6gy6lzh5@destiny>
References: <20180313132639.17387-1-willy@infradead.org>
 <20180313132639.17387-11-willy@infradead.org>
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On Tue, Mar 13, 2018 at 06:25:48AM -0700, Matthew Wilcox wrote:
> From: Matthew Wilcox <mawilcox@microsoft.com>
> 
> Instead of storing a pointer to the slot containing the canonical entry,
> store the offset of the slot.  Produces slightly more efficient code
> (~300 bytes) and simplifies the implementation.
> 
> Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
> ---
>  include/linux/xarray.h | 93 ++++++++++++++++++++++++++++++++++++++++++++++++++
>  lib/radix-tree.c       | 66 +++++++++++------------------------
>  2 files changed, 112 insertions(+), 47 deletions(-)
> 

Reviewed-by: Josef Bacik <jbacik@fb.com>

Thanks,

Josef