From owner-cvs-all  Sat Nov  3 11:59:34 2001
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From: Matt Dillon <dillon@FreeBSD.org>
Date: Sat, 3 Nov 2001 11:59:29 -0800 (PST)
To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: cvs commit: src/sys/kern vfs_subr.c src/sys/sys vnode.h
         src/sys/ufs/ffs ffs_vfsops.c src/sys/vm vm_fault.c vm_object.c
         vm_object.h vm_page.c
X-FreeBSD-CVS-Branch: RELENG_4
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dillon      2001/11/03 11:59:29 PST

  Modified files:        (Branch: RELENG_4)
    sys/kern             vfs_subr.c 
    sys/sys              vnode.h 
    sys/ufs/ffs          ffs_vfsops.c 
    sys/vm               vm_fault.c vm_object.c vm_object.h 
                         vm_page.c 
  Log:
  MFC implement kern.maxvnodes (primarily kern/vfs_subr.c 1.326), sync,
  and other VM optimizations and fixes.
  
  * Add VOBJDIRTY flag to vnode to avoid certain indirections.
  * Turn the mount structure vnode list into an LRU queue (LIST -> TAILQ)
  * Attempt to reuse vnodes when we hit the maxvnodes limit
  * Optimize msync() to avoid unnecessary v_interlocks
  * Optimize ffs_sync() for same
  * Fix vm_object double-termination bug
  * Add KASSERT to ensure that backing object is not freed out from
    under remaining VM pages.
  
  These fixes change the mount structure and will create a binary kld module
  incompatibility with filesystem kld's, but I deem the scaling issues with
  4.x that we are fixing to be more important.
  
  Revision    Changes    Path
  1.249.2.18  +78 -25    src/sys/kern/vfs_subr.c
  1.111.2.16  +5 -0      src/sys/sys/vnode.h
  1.117.2.6   +16 -11    src/sys/ufs/ffs/ffs_vfsops.c
  1.108.2.6   +2 -3      src/sys/vm/vm_fault.c
  1.171.2.5   +47 -2     src/sys/vm/vm_object.c
  1.63.2.2    +1 -0      src/sys/vm/vm_object.h
  1.147.2.12  +1 -1      src/sys/vm/vm_page.c

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