[SCM] GNU Mach branch, master, updated. v1.8-192-gded813a

[Samuel Thibault]

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commit ded813a44263103a28e1788489ec0fef7e8d1c7e
Author: Samuel Thibault <address@hidden>
Date:   Fri May 1 02:25:37 2020 +0200

    Add kmem_valloc
    
    Functions like vremap need to allocate some virtual addressing space
    before making their own mapping. kmem_alloc_wired can be used for that
    but that wastes memory.
    
    * vm/vm_kern.c (kmem_valloc): New function.
    * vm/vm_kern.h (kmem_valloc): New prototype.
    * linux/dev/glue/kmem.c (vremap): Call kmem_valloc instead of
    kmem_alloc_wired. Also check that `offset' is aligned on a page.

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

Summary of changes:
 linux/dev/glue/kmem.c |  4 ++-
 vm/vm_kern.c          | 76 +++++++++++++++++++++++++++++++++++++++++++++++++++
 vm/vm_kern.h          |  1 +
 3 files changed, 80 insertions(+), 1 deletion(-)


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