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| author | Christophe Leroy <christophe.leroy@c-s.fr> | 2019-04-26 17:58:08 +0200 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2019-05-02 17:20:25 +0200 |
| commit | dc096864ba784c2d3d10480d71f14a53f40f997c (patch) | |
| tree | 62717a0cb94369ad9c1879f7e69e0a3cf64ba428 /arch/powerpc/include/asm/pgalloc.h | |
| parent | powerpc/mm: inline pte_alloc_one_kernel() and pte_alloc_one() on PPC32 (diff) | |
| download | linux-dc096864ba784c2d3d10480d71f14a53f40f997c.tar.xz linux-dc096864ba784c2d3d10480d71f14a53f40f997c.zip | |
powerpc/mm: refactor pte_alloc_one() and pte_free() families definition.
Functions pte_alloc_one(), pte_alloc_one_kernel(), pte_free(),
pte_free_kernel() are identical for the four subarches.
This patch moves their definition in a common place.
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/pgalloc.h')
| -rw-r--r-- | arch/powerpc/include/asm/pgalloc.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/pgalloc.h b/arch/powerpc/include/asm/pgalloc.h index e11f03007b57..c2c6fd438840 100644 --- a/arch/powerpc/include/asm/pgalloc.h +++ b/arch/powerpc/include/asm/pgalloc.h @@ -20,6 +20,31 @@ static inline gfp_t pgtable_gfp_flags(struct mm_struct *mm, gfp_t gfp) #define PGALLOC_GFP (GFP_KERNEL | __GFP_ZERO) +pte_t *pte_fragment_alloc(struct mm_struct *mm, int kernel); + +static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm) +{ + return (pte_t *)pte_fragment_alloc(mm, 1); +} + +static inline pgtable_t pte_alloc_one(struct mm_struct *mm) +{ + return (pgtable_t)pte_fragment_alloc(mm, 0); +} + +void pte_frag_destroy(void *pte_frag); +void pte_fragment_free(unsigned long *table, int kernel); + +static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) +{ + pte_fragment_free((unsigned long *)pte, 1); +} + +static inline void pte_free(struct mm_struct *mm, pgtable_t ptepage) +{ + pte_fragment_free((unsigned long *)ptepage, 0); +} + #ifdef CONFIG_PPC_BOOK3S #include <asm/book3s/pgalloc.h> #else |