diff options
| author | Christophe Leroy <christophe.leroy@c-s.fr> | 2018-11-29 17:07:01 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-12-04 11:45:01 +0300 |
| commit | 32ea4c14999006fea541b5f78d008fffc1656849 (patch) | |
| tree | 5f3a1af0e2a9ec621d1bfebd7e8eb51446810d07 /arch/powerpc/mm/mmu_context.c | |
| parent | a74791dd98332435550bdc57761969ba72b74769 (diff) | |
| download | linux-32ea4c14999006fea541b5f78d008fffc1656849.tar.xz | |
powerpc/mm: Extend pte_fragment functionality to PPC32
In order to allow the 8xx to handle pte_fragments, this patch
extends the use of pte_fragments to PPC32 platforms.
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/mm/mmu_context.c')
| -rw-r--r-- | arch/powerpc/mm/mmu_context.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/powerpc/mm/mmu_context.c b/arch/powerpc/mm/mmu_context.c index f84e14f23e50..bb52320b7369 100644 --- a/arch/powerpc/mm/mmu_context.c +++ b/arch/powerpc/mm/mmu_context.c @@ -15,6 +15,7 @@ #include <linux/sched/mm.h> #include <asm/mmu_context.h> +#include <asm/pgalloc.h> #if defined(CONFIG_PPC32) static inline void switch_mm_pgdir(struct task_struct *tsk, @@ -97,3 +98,12 @@ void switch_mm_irqs_off(struct mm_struct *prev, struct mm_struct *next, switch_mmu_context(prev, next, tsk); } +#ifdef CONFIG_PPC32 +void arch_exit_mmap(struct mm_struct *mm) +{ + void *frag = pte_frag_get(&mm->context); + + if (frag) + pte_frag_destroy(frag); +} +#endif |