linux-kernel - Re: [PATCH] mm: remove dead code totalram_pages

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Message-Id: <C45FD4E1-CD2E-472E-A762-CCB17C4D8AB4@lca.pw>
Date:   Tue, 17 Dec 2019 20:04:59 -0500
From:   Qian Cai <cai@....pw>
To:     Wei Yang <richardw.yang@...ux.intel.com>
Cc:     akpm@...ux-foundation.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mm: remove dead code totalram_pages_set()



> On Dec 17, 2019, at 7:50 PM, Wei Yang <richardw.yang@...ux.intel.com> wrote:
> 
> Took a look into the history. This function is introduced in 
> 
> commit 'ca79b0c211af' (mm: convert totalram_pages and totalhigh_pages
> variables to atomic)
> 
> Even in this commit, no one use this function.

It occurs to me that function was a part of API design as a placeholder which might be used in the future.