tree 6ca625d590c7ec2e31acca3f2a1d28dce2e96332
parent d6692183ac1d8f4a4e4015f9ce9acc2514618e0b
author Chen, Kenneth W <kenneth.w.chen@intel.com> 1143801001 -0800
committer Linus Torvalds <torvalds@g5.osdl.org> 1143836330 -0800

[PATCH] hugetlb: don't allow free hugetlb count fall below reserved count

With strict page reservation, I think kernel should enforce number of free
hugetlb page don't fall below reserved count.  Currently it is possible in
the sysctl path.  Add proper check in sysctl to disallow that.

Signed-off-by: Ken Chen <kenneth.w.chen@intel.com>
Cc: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>