[SCM] GNU Mach branch, master, updated. 9eacb0eab6eb8e35bb26ab3db660973fddf9e8fb

[Samuel Thibault]

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- Log -----------------------------------------------------------------
commit 9eacb0eab6eb8e35bb26ab3db660973fddf9e8fb
Author: Richard Braun <address@hidden>
Date:   Sun Sep 23 00:25:13 2012 +0200

    Provide basic page cache statistics
    
    * Makefrag.am (EXTRA_DIST): Add kern/gnumach.srv.
    (include_mach_HEADERS): Add include/mach/gnumach.defs and
    include/mach/vm_cache_statistics.h
    (nodist_libkernel_a_SOURCES): Add kern/gnumach.server.defs.c,
    kern/gnumach.server.h, kern/gnumach.server.c, kern/gnumach.server.msgids,
    kern/gnumach.server.defs.
    * include/mach/mach_types.h: Add #include <mach/vm_cache_statistics.h>.
    * kern/ipc_kobject.c (ipc_kobject_server): Declare and call
    gnumach_server_routine.
    * vm/vm_object.c (vm_object_cached_pages): New variable.
    (vm_object_cached_pages_lock_data): Likewise.
    (vm_object_deallocate): Update number of cached pages.
    (vm_object_lookup): Likewise.
    (vm_object_lookup_name): Likewise.
    (vm_object_destroy): Likewise.
    (vm_object_enter): Likewise.
    * vm/vm_object.h (ref_count): Declare as int.
    (resident_page_count): Likewise.
    (vm_object_cached_count): Add extern declaration.
    (vm_object_cached_pages): Likewise.
    (vm_object_cached_pages_lock_data): Likewise.
    (vm_object_cached_pages_update): New macro.
    * vm/vm_resident.c (vm_page_insert): Assert resident page count doesn't
    overflow, update number of cached pages as appropriate.
    (vm_page_replace): Likewise.
    (vm_page_remove): Update number of cached pages as appropriate.
    * vm/vm_user.c: Add #include <mach/vm_cache_statistics.h>.
    (vm_cache_statistics): New function.
    * vm/vm_user.h: Add #include <mach/mach_types.h>.
    (vm_cache_statistics): New declaration.
    * include/mach/gnumach.defs: New file.

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

Summary of changes:
 Makefrag.am               |    8 ++++++++
 include/mach/gnumach.defs |   39 +++++++++++++++++++++++++++++++++++++++
 include/mach/mach_types.h |    1 +
 kern/ipc_kobject.c        |    2 ++
 vm/vm_object.c            |   14 ++++++++++++++
 vm/vm_object.h            |   23 +++++++++++++++++++++--
 vm/vm_resident.c          |   15 +++++++++++++++
 vm/vm_user.c              |   24 ++++++++++++++++++++++++
 vm/vm_user.h              |    2 ++
 9 files changed, 126 insertions(+), 2 deletions(-)
 create mode 100644 include/mach/gnumach.defs


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