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xtensa: don't clear swapper_pg_dir in paging_init
authorMax Filippov <jcmvbkbc@gmail.com>
Sat, 16 Dec 2017 04:46:55 +0000 (20:46 -0800)
committerMax Filippov <jcmvbkbc@gmail.com>
Sun, 17 Dec 2017 06:37:11 +0000 (22:37 -0800)
commitd4e337fe822354895334dbaded61f08206dcac25
tree56a7325bd76b289ed96c0cd3ee5146b237d03728
parentc2edb35ae342fedb5a39312c0fa676b74973887a
xtensa: don't clear swapper_pg_dir in paging_init

swapper_pg_dir is located in the .bss, so it's zero-initialized anyway.
With KASAN enabled paging_init will be called after KASAN
initialization, it must not erase page directory entries set up for
KASAN shadow map.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
arch/xtensa/mm/mmu.c