git: DragonFly_RELEASE_3_2 kernel - Fix memory starvation issue w/tmpfs

[Matthew Dillon <dillon@xxxxxxxxxxxxxxxxxxxxxxx>]

commit e5cec36cced0b9d74a0d367c89a6be9e54d7d751
Author: Matthew Dillon <dillon@apollo.backplane.com>
Date:   Wed Dec 5 11:40:01 2012 -0800

    kernel - Fix memory starvation issue w/tmpfs
    
    * TMPFS relies on the pagedaemon to retire dirty pages to swap.  The normal
      buffer cache flushing won't do the job (nor do we want it to).  To avoid
      starving the system we change bio_page_alloc() to not dig into the
      system reserve when allocating pages for TMPFS.
    
    Reported-by: tuxillo (Antonio Huete)

Summary of changes:
 sys/kern/vfs_bio.c |   17 +++++++++++++----
 1 files changed, 13 insertions(+), 4 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/e5cec36cced0b9d74a0d367c89a6be9e54d7d751


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