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s390: introduce MAX_PTRS_PER_P4D

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Kasan common code requires MAX_PTRS_PER_P4D definition, which in case
of s390 is always PTRS_PER_P4D.

Reviewed-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Vasily Gorbik 2018-09-12 13:23:58 +02:00 committed by Martin Schwidefsky
parent fb594ec13e
commit 34377d3cfb
1 changed files with 2 additions and 0 deletions
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2
arch/s390/include/asm/pgtable.h
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@ -341,6 +341,8 @@ static inline int is_module_addr(void *addr)
#define PTRS_PER_P4D _CRST_ENTRIES
#define PTRS_PER_PGD _CRST_ENTRIES
#define MAX_PTRS_PER_P4D PTRS_PER_P4D
/*
* Segment table and region3 table entry encoding
* (R = read-only, I = invalid, y = young bit):