Date: Fri, 12 Jul 2002 23:46:38 +0400 (MSD) From: Igor Sysoev <is@rambler-co.ru> To: Vivek Khera <khera@kcilink.com> Cc: freebsd-stable@FreeBSD.ORG Subject: Re: [GENERAL] was there a change in FreeBSD SHM implementation from 4.4 to 4.6? (postgres trouble) Message-ID: <Pine.BSF.4.21.0207122342050.454-100000@is> In-Reply-To: <bulk.18085.20020712095831@hub.freebsd.org>
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On Fri, 12 Jul 2002, Vivek Khera wrote: > >>>>> "IS" == Igor Sysoev <is@rambler-co.ru> writes: > > >> The kernel config has SHMMAX and SHMMAXPGS. > > IS> Sorry, I'd meant "SHMMAXPGS is sysctl kern.ipc.shmall". > > Actually, SHMMAXPGS * 4096 == kern.ipc.shmmax > > so if you set SHMMAXPGS to some value, you need to multiply that by > 4096 to set shmmax. > > I think the kernel should warn you if you set SHMMAX > SHMALL. Although kernel build can warn about it I do not believe that sysctl mechanics allows warnings. Igor Sysoev http://sysoev.ru To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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