Date: Fri, 13 Oct 2006 13:50:56 GMT From: Oleksandr Tymoshenko <gonzo@FreeBSD.org> To: Perforce Change Reviews <perforce@FreeBSD.org> Subject: PERFORCE change 107819 for review Message-ID: <200610131350.k9DDouVX025707@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=107819 Change 107819 by gonzo@gonzo_hq on 2006/10/13 13:49:55 o Set KSTACK_GUARD_PAGES to zero o Use 3 pages for KSTACK. We're going to wire stack on thread switch using TLB#0, so we need even-aligned virtual page number. Because there is no possibility to specify kstack alignment we request 3 pages and use lowest even VPN. Affected files ... .. //depot/projects/mips2/src/sys/mips/include/param.h#3 edit Differences ... ==== //depot/projects/mips2/src/sys/mips/include/param.h#3 (text+ko) ==== @@ -117,9 +117,9 @@ #define IOPAGES 2 /* pages of i/o permission bitmap */ #ifndef KSTACK_PAGES -#define KSTACK_PAGES 4 /* pages of kstack (with pcb) */ +#define KSTACK_PAGES 3 /* pages of kstack (with pcb) */ #endif -#define KSTACK_GUARD_PAGES 1 /* pages of kstack guard; 0 disables */ +#define KSTACK_GUARD_PAGES 0 /* pages of kstack guard; 0 disables */ /* * Ceiling on amount of swblock kva space, can be changed via
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