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From: Marius Strobl <marius@FreeBSD.org>
Date: Wed, 31 Mar 2010 22:05:53 +0000 (UTC)
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X-FreeBSD-CVS-Branch: RELENG_7
Subject: cvs commit: src/sys/sparc64/sparc64 pmap.c
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marius      2010-03-31 22:05:53 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_7)
    sys/sparc64/sparc64  pmap.c 
  Log:
  SVN rev 206014 on 2010-03-31 22:05:53Z by marius
  
  MFC: r205399
  
  Improve the KVA space sizing of r186682 (r190080); on machines with large
  dTLBs we can actually use all of the available lockable entries of the tiny
  dTLB for the kernel TSB. With this change the KVA space sizing happens to
  be more in line with the MI one so up to at least 24GB machines KVA doesn't
  need to be limited manually. This is just another stopgap though, the
  real solution is to take advantage of ASI_ATOMIC_QUAD_LDD_PHYS on CPUs
  providing it so we don't need to lock the kernel TSB pages into the dTLB
  in the first place.
  
  Revision    Changes    Path
  1.166.2.15  +35 -11    src/sys/sparc64/sparc64/pmap.c