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    SubjectRe: [PATCH v9 10/61] xarray: Change definition of sibling entries
    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

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