[SCM] Hurd branch, master, updated. e34814b27b4a5b80761c166d5827d1c9177fd1fe

[Samuel Thibault]

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commit e34814b27b4a5b80761c166d5827d1c9177fd1fe
Author: Samuel Thibault <address@hidden>
Date:   Fri Aug 27 01:24:30 2010 +0200

    Keep a reference on objects to preserve their content.
    
    Modify tmpfs to keep a reference (by mapping it into its
    own space) to each memory object created by the user, so they don't get
    inmediately terminated at the end of the current operation.
    
    * tmpfs/tmpfs.h (struct disknode): Add `memref' field.
    * tmpfs/node.c (diskfs_get_filemap): vm_map() the first page of the
    newly-allocated object, store in `memref' field.
    (diskfs_free_node) vm_deallocate the page pointed by `memref' field.

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

Summary of changes:
 tmpfs/node.c  |   11 ++++++++++-
 tmpfs/tmpfs.h |    1 +
 2 files changed, 11 insertions(+), 1 deletions(-)


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