diff options
| author | Vineet Gupta <vgupta@kernel.org> | 2020-10-01 15:46:42 -0700 |
|---|---|---|
| committer | Vineet Gupta <vgupta@kernel.org> | 2021-08-26 13:43:19 -0700 |
| commit | 8747ff704ac886f6ef992b1b7eadcf77d151fd3a (patch) | |
| tree | 566687879eccba9a936adf38363b01d02bba5ca4 /arch/arc/include/asm/pgalloc.h | |
| parent | 2dde02ab6d1a725ddccc7144ff6bf5f55d37f916 (diff) | |
| download | linux-8747ff704ac886f6ef992b1b7eadcf77d151fd3a.tar.gz linux-8747ff704ac886f6ef992b1b7eadcf77d151fd3a.tar.bz2 linux-8747ff704ac886f6ef992b1b7eadcf77d151fd3a.zip | |
ARC: mm: support 4 levels of page tables
Acked-by: Mike Rapoport <rppt@linux.ibm.com>
Signed-off-by: Vineet Gupta <vgupta@kernel.org>
Diffstat (limited to 'arch/arc/include/asm/pgalloc.h')
| -rw-r--r-- | arch/arc/include/asm/pgalloc.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/arc/include/asm/pgalloc.h b/arch/arc/include/asm/pgalloc.h index 781620d2e86f..096b8ef58edb 100644 --- a/arch/arc/include/asm/pgalloc.h +++ b/arch/arc/include/asm/pgalloc.h @@ -70,6 +70,17 @@ static inline pgd_t *pgd_alloc(struct mm_struct *mm) return ret; } +#if CONFIG_PGTABLE_LEVELS > 3 + +static inline void p4d_populate(struct mm_struct *mm, p4d_t *p4dp, pud_t *pudp) +{ + set_p4d(p4dp, __p4d((unsigned long)pudp)); +} + +#define __pud_free_tlb(tlb, pmd, addr) pud_free((tlb)->mm, pmd) + +#endif + #if CONFIG_PGTABLE_LEVELS > 2 static inline void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmdp) |