[SCM] GNU Mach branch, master, updated. v1.7-56-g3ff86d7

[Justus Winter]

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- Log -----------------------------------------------------------------
commit 3ff86d799822a0ea8bb3a213e79d399267a876b2
Author: Justus Winter <address@hidden>
Date:   Fri Oct 21 16:15:08 2016 +0200

    i386: Allocate page directories using the slab allocator.
    
    * i386/intel/pmap.c (pd_cache): New variable.
    (pdp_cache): Likewise.
    (pmap_init): Initialize new caches.
    (pmap_create): Use the caches.
    (pmap_destroy): Free to the caches.

commit 260d0254d3dd8b2cb0b062a255f1c4201566b5a8
Author: Justus Winter <address@hidden>
Date:   Fri Oct 21 17:23:06 2016 +0200

    Gracefully handle pmap allocation failures.
    
    * kern/task.c (task_create): Gracefully handle pmap allocation
    failures.
    * vm/vm_map.c (vm_map_fork): Likewise.

commit 834a883acdbdfa3fc93a9b635d20f4d636a1be41
Author: Justus Winter <address@hidden>
Date:   Fri Oct 21 16:12:34 2016 +0200

    vm: Print map names in case of failures.
    
    * vm/vm_kern.c (kmem_alloc): Print map names in case of failures.
    (kmem_alloc_wired): Likewise.
    (kmem_alloc_aligned): Likewise.
    (kmem_alloc_pageable): Likewise.

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

Summary of changes:
 i386/intel/pmap.c |   39 ++++++++++++++++++++++++++++-----------
 kern/task.c       |   17 ++++++++++++++---
 vm/vm_kern.c      |   12 ++++++++----
 vm/vm_map.c       |    3 +++
 4 files changed, 53 insertions(+), 18 deletions(-)


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