diff options
| author | Christophe Leroy <christophe.leroy@c-s.fr> | 2018-10-09 13:51:50 +0000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-10-14 18:04:09 +1100 |
| commit | aa9cd505e39d63034243c9c1ea8b0a984a6b201f (patch) | |
| tree | bd2fe98044f909d8325365fa01119f60e81714a0 /arch/powerpc/include/asm/nohash/64/pgtable.h | |
| parent | d81e6f8b7c6600c891cd133312061d23d4e6690c (diff) | |
powerpc/mm: move some nohash pte helpers in nohash/[32:64]/pgtable.h
In order to allow their use in nohash/32/pgtable.h, we have to move the
following helpers in nohash/[32:64]/pgtable.h:
- pte_mkwrite()
- pte_mkdirty()
- pte_mkyoung()
- pte_wrprotect()
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>
Diffstat (limited to 'arch/powerpc/include/asm/nohash/64/pgtable.h')
| -rw-r--r-- | arch/powerpc/include/asm/nohash/64/pgtable.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/nohash/64/pgtable.h b/arch/powerpc/include/asm/nohash/64/pgtable.h index 513b6e9e62c6..72dac522aa66 100644 --- a/arch/powerpc/include/asm/nohash/64/pgtable.h +++ b/arch/powerpc/include/asm/nohash/64/pgtable.h @@ -94,6 +94,26 @@ #ifndef __ASSEMBLY__ /* pte_clear moved to later in this file */ +static inline pte_t pte_mkwrite(pte_t pte) +{ + return __pte(pte_val(pte) | _PAGE_RW); +} + +static inline pte_t pte_mkdirty(pte_t pte) +{ + return __pte(pte_val(pte) | _PAGE_DIRTY); +} + +static inline pte_t pte_mkyoung(pte_t pte) +{ + return __pte(pte_val(pte) | _PAGE_ACCESSED); +} + +static inline pte_t pte_wrprotect(pte_t pte) +{ + return __pte(pte_val(pte) & ~_PAGE_RW); +} + #define PMD_BAD_BITS (PTE_TABLE_SIZE-1) #define PUD_BAD_BITS (PMD_TABLE_SIZE-1) |