[SCM] GNU Mach branch, rbraun/vm_cache_policy, updated. v1.4-5-gc774e89

[Richard Braun]

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- Log -----------------------------------------------------------------
commit c774e89387a43d737abbdd99781a294c1cceebb2
Author: Richard Braun <address@hidden>
Date:   Sun Feb 7 14:08:24 2016 +0100

    Fix page cache accounting
    
    * vm/vm_object.c (vm_object_bootstrap): Set template object `cached'
    member to FALSE.
    (vm_object_cache_add, vm_object_cache_remove): New functions.
    (vm_object_collect, vm_object_deallocate, vm_object_lookup,
    vm_object_lookup_name, vm_object_destroy): Use new cache management 
functions.
    (vm_object_terminate, vm_object_collapse): Make sure object isn't cached.
    * vm/vm_object.h (struct vm_object): New `cached' member.

-----------------------------------------------------------------------

Summary of changes:
 vm/vm_object.c |   70 ++++++++++++++++++++++++++++++++------------------------
 vm/vm_object.h |    3 +-
 2 files changed, 42 insertions(+), 31 deletions(-)


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