linux-kernel - Re: [PATCH] mm: cma: honor __GFP_ZERO flag in cma

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Message-Id: <20180709103259eucas1p1fc03f1da5e8964f903d09c5573923c10~-rMmDLdF-0476504765eucas1p12@eucas1p1.samsung.com>
Date:   Mon, 9 Jul 2018 12:32:58 +0200
From:   Marek Szyprowski <m.szyprowski@...sung.com>
To:     Christoph Hellwig <hch@...radead.org>
Cc:     Michal Hocko <mhocko@...nel.org>,
        Matthew Wilcox <willy@...radead.org>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        Michal Nazarewicz <mina86@...a86.com>,
        Joonsoo Kim <iamjoonsoo.kim@....com>,
        Vlastimil Babka <vbabka@...e.cz>
Subject: Re: [PATCH] mm: cma: honor __GFP_ZERO flag in cma_alloc()

Hi Christoph,

On 2018-07-02 15:30, Christoph Hellwig wrote:
> On Mon, Jul 02, 2018 at 03:23:34PM +0200, Marek Szyprowski wrote:
>> What about clearing the allocated buffer? Should it be another bool
>> parameter,
>> done unconditionally or moved to the callers?
> Please keep it in the callers.  I plan to push it up even higher
> from the current callers short to midterm.

Okay, I will post a patch with this approach then.

Best regards
-- 
Marek Szyprowski, PhD
Samsung R&D Institute Poland