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

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Message-ID: <20180702133016.GA16909@infradead.org>
Date:   Mon, 2 Jul 2018 06:30:16 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Marek Szyprowski <m.szyprowski@...sung.com>
Cc:     Michal Hocko <mhocko@...nel.org>,
        Christoph Hellwig <hch@...radead.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()

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.