Christophe Leroy 2a146533bf powerpc/mm: Avoid useless lock with single page fragments ...

There is no point in taking the page table lock as pte_frag or
pmd_frag are always NULL when we have only one fragment.

Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

2018-12-04 19:45:01 +11:00

11 KiB

Raw Blame History

View Raw