diff options
| author | Christophe Leroy <christophe.leroy@c-s.fr> | 2019-04-26 15:58:13 +0000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2019-05-03 01:20:25 +1000 |
| commit | 069239169ab060da4236a59d35aec91084cc694d (patch) | |
| tree | 860c520ae0256450034bc7b1d8272301cb7fd271 /arch/powerpc/include/asm/nohash/pgalloc.h | |
| parent | 8a2cc87a24e8c0a823c2e4ec8702c90d743a69d4 (diff) | |
powerpc/mm: refactor pgd_alloc() and pgd_free() on nohash
pgd_alloc() and pgd_free() are identical on nohash 32 and 64.
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/pgalloc.h')
| -rw-r--r-- | arch/powerpc/include/asm/nohash/pgalloc.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/nohash/pgalloc.h b/arch/powerpc/include/asm/nohash/pgalloc.h index 4fccac6af3ad..332b13b4ecdb 100644 --- a/arch/powerpc/include/asm/nohash/pgalloc.h +++ b/arch/powerpc/include/asm/nohash/pgalloc.h @@ -3,6 +3,7 @@ #define _ASM_POWERPC_NOHASH_PGALLOC_H #include <linux/mm.h> +#include <linux/slab.h> extern void tlb_remove_table(struct mmu_gather *tlb, void *table); #ifdef CONFIG_PPC64 @@ -16,6 +17,17 @@ static inline void tlb_flush_pgtable(struct mmu_gather *tlb, } #endif /* !CONFIG_PPC_BOOK3E */ +static inline pgd_t *pgd_alloc(struct mm_struct *mm) +{ + return kmem_cache_alloc(PGT_CACHE(PGD_INDEX_SIZE), + pgtable_gfp_flags(mm, GFP_KERNEL)); +} + +static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) +{ + kmem_cache_free(PGT_CACHE(PGD_INDEX_SIZE), pgd); +} + #ifdef CONFIG_PPC64 #include <asm/nohash/64/pgalloc.h> #else |