linux-kernel - Re: [PATCH v3 1/3] mm/mempolicy: remove redundant check in get

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Date:   Mon, 20 Nov 2017 14:24:21 -0800 (PST)
From:   David Rientjes <rientjes@...gle.com>
To:     Yisheng Xie <xieyisheng1@...wei.com>
cc:     akpm@...ux-foundation.org, vbabka@...e.cz, mhocko@...e.com,
        mingo@...nel.org, n-horiguchi@...jp.nec.com, salls@...ucsb.edu,
        ak@...ux.intel.com, cl@...ux.com, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, linux-api@...r.kernel.org,
        tanxiaojun@...wei.com
Subject: Re: [PATCH v3 1/3] mm/mempolicy: remove redundant check in
 get_nodes

On Fri, 17 Nov 2017, Yisheng Xie wrote:

> We have already checked whether maxnode is a page worth of bits, by:
>     maxnode > PAGE_SIZE*BITS_PER_BYTE
> 
> So no need to check it once more.
> 
> Acked-by: Vlastimil Babka <vbabka@...e.cz>
> Signed-off-by: Yisheng Xie <xieyisheng1@...wei.com>

Acked-by: David Rientjes <rientjes@...gle.com>