On Tue, 2 Oct 2001, Matt Dillon wrote: > > : > :Dwayne wrote: > :> I'm creating an app where I want to use memory to store data so I > :> can get at it quickly. The problem is, I can't afford the delays that > :> would occur if the memory gets swapped out. Is there any way in FreeBSD > :> to allocate memory so that the VM system won't swap it out? > :> > :I think mlock(2) is what you want. > : > :Maxime Henrion > :-- > :Don't be fooled by cheap finnish imitations ; BSD is the One True Code > > Don't use mlock().
Could you please explain that. Thanks. > > Use SysV Shared memory segments. If you tell the kernel to use > physical ram for SysV shared memory (kern.ipc.shm_use_phys=1) > then any shm segments you allocate (see manual pages for > shmctl, shmget, and shmat) will reside in unswappable shared memory. > > -Matt > > > To Unsubscribe: send mail to [EMAIL PROTECTED] > with "unsubscribe freebsd-hackers" in the body of the message > To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-hackers" in the body of the message
