linux-kernel - Re: [PATCH] mm/cma.c: find a named CMA area by name

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Message-ID: <20200117062813.GE19428@dhcp22.suse.cz>
Date:   Fri, 17 Jan 2020 07:28:13 +0100
From:   Michal Hocko <mhocko@...nel.org>
To:     "buddy.zhang" <buddy.zhang@...yun.com>
Cc:     "akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] mm/cma.c: find a named CMA area by name

On Fri 17-01-20 10:16:46, buddy.zhang wrote:
[...]
>     So, if device want to use a special named CMA area on module,  
>     "cma_find_by_name()" need export symbols.

My question was whether there actually is any device that would like to
use this functionality. Your patch doesn't add any and there is no
reference to any either. We do not add exports for the functionality
which is not used in the tree.
-- 
Michal Hocko
SUSE Labs