[SCM] GNU Mach branch, master, updated. v1.8-242-gd7278d1

[Samuel Thibault]

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- Log -----------------------------------------------------------------
commit d7278d1176391dc717293111042c3fcb56e6ca85
Author: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date:   Mon Jan 4 01:53:01 2021 +0100

    vm_map: Avoid linking gaps for vm_copy_t
    
    This does not make sense, and produces incorrect results (since
    vme_end is 0, etc.)
    
    * vm/vm_map.h (_vm_map_clip_start, _vm_map_clip_end): Add link_gap
    parameter.
    
    * vm/vm_map.c (_vm_map_entry_link): Add link_gap parameter, do not call
    vm_map_gap_insert if it is 0.
    (vm_map_entry_link): Set link_gap to 1 in _vm_map_entry_link call.
    (_vm_map_clip_start): Add link_gap parameter, pass it to
    _vm_map_entry_link call..
    (vm_map_clip_start): Set link_gap_to 1 in _vm_map_clip_start call.
    
    (vm_map_copy_entry_link): Set link_gap to 0 in _vm_map_entry_link call.
    (vm_map_copy_clip_start): Set link_gap_to 0 in _vm_map_clip_start call.
    
    (_vm_map_entry_unlink): Add unlink_gap parameter, do not call
    vm_map_gap_remove if it is 0.
    (vm_map_entry_unlink): Set unlink_gap to 1 in _vm_map_entry_unlink call.
    (_vm_map_clip_end): Add link_gap parameter, pass it to
    _vm_map_entry_link call..
    (vm_map_clip_end): Set link_gap_to 1 in _vm_map_clip_end call.
    
    (vm_map_copy_entry_unlink): Set unlink_gap to 0 in _vm_map_entry_unlink 
call.
    (vm_map_copy_clip_end): Set link_gap_to 0 in _vm_map_clip_end call.
    
    * vm/vm_kern.c (projected_buffer_deallocate): set link_gap to 1 in
    _vm_map_clip_start and _vm_map_clip_end calls.

commit ae7bdaf9ed238500aaa91080126fff356e5e2800
Author: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date:   Sun Jan 3 18:08:24 2021 +0100

    vm_map: print warning when max_size gets smaller than size
    
    * vm/vm_map.c (vm_map_find_entry_anywhere): Print warning when max_size
    gets smaller than size.

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

Summary of changes:
 vm/vm_kern.c |  4 ++--
 vm/vm_map.c  | 38 ++++++++++++++++++++++----------------
 vm/vm_map.h  |  6 ++++--
 3 files changed, 28 insertions(+), 20 deletions(-)


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