s390/kasan: add kdump support

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If kasan enabled kernel is used as crash kernel it crashes itself with
program check loop during kdump execution. The reason for that is that
kasan shadow memory backed by pages beyond OLDMEM_SIZE. Make kasan memory
allocator respect physical memory limit imposed by kdump.

Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>

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Vasily Gorbik 2019-08-20 19:45:47 +02:00

parent d0b319843b

commit 042c1d29de

1 changed files with 2 additions and 0 deletions

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arch/s390/mm/kasan_init.c

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