linux-kernel - Re: [PATCH v2] fs/select: add vmalloc fallback for select(2)

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Message-ID: <1474983244.28155.48.camel@edumazet-glaptop3.roam.corp.google.com>
Date:   Tue, 27 Sep 2016 06:34:04 -0700
From:   Eric Dumazet <eric.dumazet@...il.com>
To:     Vlastimil Babka <vbabka@...e.cz>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, Michal Hocko <mhocko@...nel.org>,
        netdev@...r.kernel.org
Subject: Re: [PATCH v2] fs/select: add vmalloc fallback for select(2)

On Tue, 2016-09-27 at 10:13 +0200, Vlastimil Babka wrote:

> I doubt anyone runs that in production, especially if performance is of concern.
> 

I doubt anyone serious runs select() on a large fd set in production.

Last time I used it was in last century.