linux-kernel - Re: [PATCH v13 1/5] Introduce xbitmap

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Message-ID: <59880FA5.6040703@intel.com>
Date:   Mon, 07 Aug 2017 14:58:45 +0800
From:   Wei Wang <wei.w.wang@...el.com>
To:     linux-kernel@...r.kernel.org,
        virtualization@...ts.linux-foundation.org, kvm@...r.kernel.org,
        linux-mm@...ck.org, mst@...hat.com, mhocko@...nel.org,
        mawilcox@...rosoft.com, akpm@...ux-foundation.org,
        willy@...radead.org
CC:     aarcange@...hat.com, virtio-dev@...ts.oasis-open.org,
        liliang.opensource@...il.com, amit.shah@...hat.com,
        quan.xu@...yun.com, cornelia.huck@...ibm.com, pbonzini@...hat.com,
        yang.zhang.wz@...il.com, mgorman@...hsingularity.net
Subject: Re: [PATCH v13 1/5] Introduce xbitmap

On 08/03/2017 02:38 PM, Wei Wang wrote:
> From: Matthew Wilcox <mawilcox@...rosoft.com>
>
> The eXtensible Bitmap is a sparse bitmap representation which is
> efficient for set bits which tend to cluster.  It supports up to
> 'unsigned long' worth of bits, and this commit adds the bare bones --
> xb_set_bit(), xb_clear_bit() and xb_test_bit().
>
> Signed-off-by: Matthew Wilcox <mawilcox@...rosoft.com>
> Signed-off-by: Wei Wang <wei.w.wang@...el.com>
> ---
>   include/linux/radix-tree.h |   2 +
>   include/linux/xbitmap.h    |  49 ++++++++++++++++
>   lib/radix-tree.c           | 139 ++++++++++++++++++++++++++++++++++++++++++++-
>   3 files changed, 188 insertions(+), 2 deletions(-)
>   create mode 100644 include/linux/xbitmap.h
>
> diff --git a/include/linux/radix-tree.h b/include/linux/radix-tree.h
> index 3e57350..428ccc9 100644
> --- a/include/linux/radix-tree.h
> +++ b/include/linux/radix-tree.h


Hi Matthew,

Could you please help to upstream this patch?


Best,
Wei