[SCM] GNU Mach branch, master, updated. v1.4-463-g91f0887

[Samuel Thibault]

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The branch, master has been updated
       via  91f0887ca2345c2bd02747e4b437076641d77cd9 (commit)
       via  c7cdf5ff96e7c3bb008877893aa194908dca2185 (commit)
       via  ed32cdc81be98287e4678bdb4a71a578b548580d (commit)
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- Log -----------------------------------------------------------------
commit 91f0887ca2345c2bd02747e4b437076641d77cd9
Author: Samuel Thibault <address@hidden>
Date:   Sat Aug 30 12:55:14 2014 +0200

    Tune pageout parameters
    
    This targets having always at least 8% free memory instead of just 1%.
    This has shown improving buildd stability a lot. Also increase the
    reserved amount to nowadays standards.
    
    * vm/vm_pageout.c (VM_PAGE_FREE_TARGET): Increase to 10%.
    (VM_PAGE_FREE_MIN): Increase to 8%.
    (VM_PAGE_FREE_RESERVED): Increase to 500 pages.
    (VM_PAGEOUT_RESERVED_INTERNAL): Increase to 150 pages.
    (VM_PAGEOUT_RESERVED_REALLY): Increase to 100 pages.

commit c7cdf5ff96e7c3bb008877893aa194908dca2185
Author: Samuel Thibault <address@hidden>
Date:   Sat Aug 30 12:51:11 2014 +0200

    Increate the pageout thread priority
    
    * vm/vm_pageout.c (vm_pageout): Set the priority to 0.

commit ed32cdc81be98287e4678bdb4a71a578b548580d
Author: Samuel Thibault <address@hidden>
Date:   Sat Aug 30 12:48:44 2014 +0200

    Bump NR_GRANT_PAGES
    
    This has shown needed on buildds with several disks and network
    interfaces.
    
    * xen/grant.c (NR_GRANT_PAGES): Increase from 4 to 8.

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

Summary of changes:
 vm/vm_pageout.c |   11 ++++++-----
 xen/grant.c     |    2 +-
 2 files changed, 7 insertions(+), 6 deletions(-)


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