linux-kernel - Re: [PATCH] mm: ksize() should silently accept a NULL pointer

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Message-ID: <20200617004521.GE8681@bombadil.infradead.org>
Date:   Tue, 16 Jun 2020 17:45:21 -0700
From:   Matthew Wilcox <willy@...radead.org>
To:     William Kucharski <william.kucharski@...cle.com>
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        Christoph Lameter <cl@...ux.com>,
        Pekka Enberg <penberg@...nel.org>,
        David Rientjes <rientjes@...gle.com>,
        Joonsoo Kim <iamjoonsoo.kim@....com>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] mm: ksize() should silently accept a NULL pointer

On Tue, Jun 16, 2020 at 04:54:09PM -0600, William Kucharski wrote:
> Other mm routines such as kfree() and kzfree() silently do the right
> thing if passed a NULL pointer, so ksize() should do the same.
> 
> Signed-off-by: William Kucharski <william.kucharski@...cle.com>

Nice simplification.

Reviewed-by: Matthew Wilcox (Oracle) <willy@...radead.org>