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From: David Laight <David.Laight@ACULAB.COM>
To: "'Vlastimil Babka'" <vbabka@suse.cz>,
        Nicholas Piggin <npiggin@gmail.com>
CC: Jason Baron <jbaron@akamai.com>,
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        Eric Dumazet <eric.dumazet@gmail.com>
Subject: RE: [PATCH] fs/select: add vmalloc fallback for select(2)
Thread-Topic: [PATCH] fs/select: add vmalloc fallback for select(2)
Thread-Index: AQHSGLFrj/X++D4HnkmfrbWt9vaWXaCNM7bQgAAE+3GAABNQ4A==
Date: Wed, 28 Sep 2016 16:30:16 +0000
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From: Vlastimil Babka
> Sent: 27 September 2016 12:51
...
> Process name suggests it's part of db2 database. It seems it has to implement
> its own interface to select() syscall, because glibc itself seems to have a
> FD_SETSIZE limit of 1024, which is probably why this wasn't an issue for all the
> years...

ISTR the canonical way to increase the size being to set FD_SETSIZE
to a larger value before including any of the headers.

Or doesn't that work with linux and glibc ??

	David