Date: Thu, 28 Nov 2002 10:53:29 -0800 (PST) From: Marcel Moolenaar <marcel@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 21638 for review Message-ID: <200211281853.gASIrTnp091362@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=21638 Change 21638 by marcel@marcel_nfs on 2002/11/28 10:52:55 Don't use the difference between avail_start and avail_end as a measure for memory size. Memory descriptors allow for sparse address spaces, and often enough this is the case. Instead use the previously determined Maxmem. Affected files ... .. //depot/projects/ia64/sys/ia64/ia64/pmap.c#49 edit Differences ... ==== //depot/projects/ia64/sys/ia64/ia64/pmap.c#49 (text+ko) ==== @@ -363,9 +363,12 @@ * physical memory and try to locate a region which is large * enough to contain the VHPT (which must be a power of two in * size and aligned to a natural boundary). + * Don't use the the difference between avail_start and avail_end + * as a measure for memory size. The address space is not often + * enough sparse, causing us to (try to) create a huge VHPT. */ vhpt_size = 15; - while ((1<<vhpt_size) < ia64_btop(avail_end - avail_start) * 32) + while ((1<<vhpt_size) < ia64_btop(Maxmem) * 32) vhpt_size++; vhpt_base = 0; To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe p4-projects" in the body of the message
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