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From: Sean Nicholas Barkas <snb@FreeBSD.org>
Date: Thu, 8 Oct 2009 09:03:04 +0000 (UTC)
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X-FreeBSD-CVS-Branch: RELENG_7
Subject: cvs commit: src/sys/ufs/ufs dirhash.h ufs_dirhash.c
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snb         2009-10-08 09:03:04 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_7)
    sys/ufs/ufs          dirhash.h ufs_dirhash.c 
  Log:
  SVN rev 197852 on 2009-10-08 09:03:04Z by snb
  
  MFC r193375, r194387, r195003:
  
  Add vm_lowmem event handler for dirhash. This will cause dirhashes to be
  deleted when the system is low on memory. This ought to allow an
  increase to vfs.ufs.dirhash_maxmem on machines that have lots of memory,
  without degrading performance by having too much memory reserved for
  dirhash when other things need it. The default value for dirhash_maxmem
  is being kept at 2MB for now, though.
  
  Approved by:    dwmalone (mentor)
  
  Revision  Changes    Path
  1.5.10.2  +2 -0      src/sys/ufs/ufs/dirhash.h
  1.23.2.4  +106 -25   src/sys/ufs/ufs/ufs_dirhash.c