powerpc/32: Reuse orphaned memblocks in kasan_init_shadow_page_tables()

If concurrent PMD population has happened, re-use orphaned memblocks.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/b29ffffb9206dc14541fa420c17604240728041b.1579024426.git.christophe.leroy@c-s.fr
This commit is contained in:
Christophe Leroy 2020-01-14 17:54:04 +00:00 • committed by Michael Ellerman
commit 21613cfad1