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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-06-27 23:00:25 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-06-27 23:00:25 -0700 |
| commit | 31881d74b6dd1a6c530cff61248def4f2da38bee (patch) | |
| tree | be62420cf39192074e13b25553d172b9d5e58a33 /arch/powerpc/include/asm/pgtable.h | |
| parent | 8855f30cd2b68012571932c7b01290c20be4508c (diff) | |
| parent | 257867dc8d893690c175c1f717f91c3b6d44a63d (diff) | |
Merge branch 'for-next' of git://github.com/rydberg/linux into next
Pull in changes from Henrik: "a trivial MT documentation fix".
Diffstat (limited to 'arch/powerpc/include/asm/pgtable.h')
| -rw-r--r-- | arch/powerpc/include/asm/pgtable.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h index a9cbd3ba5c33..7aeb9555f6ea 100644 --- a/arch/powerpc/include/asm/pgtable.h +++ b/arch/powerpc/include/asm/pgtable.h @@ -17,6 +17,12 @@ struct mm_struct; # include <asm/pgtable-ppc32.h> #endif +/* + * We save the slot number & secondary bit in the second half of the + * PTE page. We use the 8 bytes per each pte entry. + */ +#define PTE_PAGE_HIDX_OFFSET (PTRS_PER_PTE * 8) + #ifndef __ASSEMBLY__ #include <asm/tlbflush.h> @@ -212,6 +218,8 @@ extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t *); extern int gup_hugepd(hugepd_t *hugepd, unsigned pdshift, unsigned long addr, unsigned long end, int write, struct page **pages, int *nr); +extern int gup_hugepte(pte_t *ptep, unsigned long sz, unsigned long addr, + unsigned long end, int write, struct page **pages, int *nr); #endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */ |