stable request: mm: mlock: avoid increase mm->locked_vm on mlock() when already mlock2(,MLOCK_ONFAULT)

Rafael David Tinoco rafael.tinoco at linaro.org
Thu Nov 8 10:07:35 UTC 2018


Hello Greg,

Could you please consider backporting to v4.4 the following commit:

commit b5b5b6fe643391209b08528bef410e0cf299b826
Author: Simon Guo <wei.guo.simon at gmail.com>
Date:   Fri Oct 7 20:59:40 2016

    mm: mlock: avoid increase mm->locked_vm on mlock() when already
mlock2(,MLOCK_ONFAULT)

It seems to be a trivial fix for:

https://bugs.linaro.org/show_bug.cgi?id=4043
(mlock203.c LTP test failing on v4.4)

Thanks in advance,
--
Rafael D. Tinoco
Linaro Kernel Validation Team


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