Date: Tue, 27 Mar 2007 11:01:38 -0600 From: Scott Long <scottl@samsco.org> To: John Baldwin <jhb@FreeBSD.org> Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/kern init_main.c kern_thread.c Message-ID: <46094DF2.4090501@samsco.org> In-Reply-To: <200703271651.l2RGpZfv012442@repoman.freebsd.org> References: <200703271651.l2RGpZfv012442@repoman.freebsd.org>
next in thread | previous in thread | raw e-mail | index | archive | help
John Baldwin wrote: > jhb 2007-03-27 16:51:34 UTC > > FreeBSD src repository > > Modified files: > sys/kern init_main.c kern_thread.c > Log: > Align 'struct thread' on 16 byte boundaries so that the lower 4 bits are > always 0. Previously we aligned threads on a minimum of 8-byte boundaries. > > Note: This changes the uma zone to no longer cache align threads. We > really want the uma zone to do align threads to MAX(16, cache line size) > but there currently isn't a good way to express that to uma. > I'm sure there is a good reason for this. Can you explain? Scott
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?46094DF2.4090501>