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Subject: Re: sparc64/164227: commit references a PR
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The following reply was made to PR sparc64/164227; it has been noted by GNATS.

From: dfilter@FreeBSD.ORG (dfilter service)
To: bug-followup@FreeBSD.org
Cc:  
Subject: Re: sparc64/164227: commit references a PR
Date: Fri, 27 Jan 2012 22:25:55 +0000 (UTC)

 Author: marius
 Date: Fri Jan 27 22:25:46 2012
 New Revision: 230630
 URL: http://svn.freebsd.org/changeset/base/230630
 
 Log:
   For machines where the kernel address space is unrestricted increase
   VM_KMEM_SIZE_SCALE to 2, awaiting more insight from alc@. As it turns
   out, the VM apparently has problems with machines that have large holes
   in the physical address space, causing the kmem_suballoc() call in
   kmeminit() to fail with a VM_KMEM_SIZE_SCALE of 1. Using a value of 2
   allows these, namely Blade 1500 with 2GB of RAM, to boot.
   
   PR:	164227
 
 Modified:
   head/sys/sparc64/include/vmparam.h
 
 Modified: head/sys/sparc64/include/vmparam.h
 ==============================================================================
 --- head/sys/sparc64/include/vmparam.h	Fri Jan 27 22:24:03 2012	(r230629)
 +++ head/sys/sparc64/include/vmparam.h	Fri Jan 27 22:25:46 2012	(r230630)
 @@ -218,7 +218,7 @@
   * is the total KVA space allocated for kmem_map.
   */
  #ifndef VM_KMEM_SIZE_SCALE
 -#define	VM_KMEM_SIZE_SCALE	(tsb_kernel_ldd_phys == 0 ? 3 : 1)
 +#define	VM_KMEM_SIZE_SCALE	(tsb_kernel_ldd_phys == 0 ? 3 : 2)
  #endif
  
  /*
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