Date: Sun, 28 Nov 2010 20:45:43 +0100 From: Marius Strobl <marius@alchemy.franken.de> To: Max Khon <fjoe@freebsd.org> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r216016 - head/sys/sparc64/include Message-ID: <20101128194542.GF9966@alchemy.franken.de> In-Reply-To: <201011281926.oASJQKiE040689@svn.freebsd.org> References: <201011281926.oASJQKiE040689@svn.freebsd.org>
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On Sun, Nov 28, 2010 at 07:26:20PM +0000, Max Khon wrote: > Author: fjoe > Date: Sun Nov 28 19:26:20 2010 > New Revision: 216016 > URL: http://svn.freebsd.org/changeset/base/216016 > > Log: > Define VM_KMEM_SIZE_MAX on sparc64. Otherwise kernel built with > DEBUG_MEMGUARD panics early in kmeminit() with the message > "kmem_suballoc: bad status return of 1" because of zero "size" argument > passed to kmem_suballoc() due to "vm_kmem_size_max" being zero. > > The problem also exists on ia64. > > Modified: > head/sys/sparc64/include/vmparam.h > > Modified: head/sys/sparc64/include/vmparam.h > ============================================================================== > --- head/sys/sparc64/include/vmparam.h Sun Nov 28 18:59:52 2010 (r216015) > +++ head/sys/sparc64/include/vmparam.h Sun Nov 28 19:26:20 2010 (r216016) > @@ -237,6 +237,14 @@ > #endif > > /* > + * Ceiling on amount of kmem_map kva space. > + */ > +#ifndef VM_KMEM_SIZE_MAX > +#define VM_KMEM_SIZE_MAX ((VM_MAX_KERNEL_ADDRESS - \ > + VM_MIN_KERNEL_ADDRESS + 1) * 3 / 5) > +#endif > + > +/* > * Initial pagein size of beginning of executable file. > */ > #ifndef VM_INITIAL_PAGEIN How was that value determined? Marius
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