[Devel] Re: [PATCH] c/r: Un-blacklist VM_NORESERVE and VM_LOCKED

Dan Smith danms at us.ibm.com
Fri Jun 18 19:49:04 PDT 2010


OL> Add support for VM_NORESERVE and VM_LOCKED and remove them from
OL> the blacklist of vm flags.

OL> VM_NORESERVE: a vma with VM_NORESERVE may segv on a write under
OL> low-memory, but reading it (as we do during checkpoint) is fine.

OL> VM_LOCKED: this flag is now explicitly restored for a vma that had
OL> this flag, using sys_mlock()

OL> Original patch and reports by Nathan Lynch and Dan Smith.

OL> Signed-off-by: Oren Laadan <orenl at cs.columbia.edu>

Tested-by: Dan Smith <danms at us.ibm.com>

Thanks :)

-- 
Dan Smith
IBM Linux Technology Center
email: danms at us.ibm.com
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