Re: [PATCH] fs/select: add vmalloc fallback for select(2)
From: Vlastimil Babka
Date: Wed Sep 28 2016 - 16:05:35 EST
On 09/28/2016 06:30 PM, David Laight wrote:
> 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 ??
Doesn't seem so.
>
> David
>