diff options
Diffstat (limited to 'include/asm-powerpc/mmu.h')
| -rw-r--r-- | include/asm-powerpc/mmu.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/asm-powerpc/mmu.h b/include/asm-powerpc/mmu.h index 31f721994bd8..3a5ebe229af5 100644 --- a/include/asm-powerpc/mmu.h +++ b/include/asm-powerpc/mmu.h @@ -96,6 +96,8 @@ extern char initial_stab[]; #define HPTE_R_FLAGS ASM_CONST(0x00000000000003ff) #define HPTE_R_PP ASM_CONST(0x0000000000000003) #define HPTE_R_N ASM_CONST(0x0000000000000004) +#define HPTE_R_C ASM_CONST(0x0000000000000080) +#define HPTE_R_R ASM_CONST(0x0000000000000100) /* Values for PP (assumes Ks=0, Kp=1) */ /* pp0 will always be 0 for linux */ @@ -163,6 +165,16 @@ struct mmu_psize_def extern struct mmu_psize_def mmu_psize_defs[MMU_PAGE_COUNT]; extern int mmu_linear_psize; extern int mmu_virtual_psize; +extern int mmu_vmalloc_psize; +extern int mmu_io_psize; + +/* + * If the processor supports 64k normal pages but not 64k cache + * inhibited pages, we have to be prepared to switch processes + * to use 4k pages when they create cache-inhibited mappings. + * If this is the case, mmu_ci_restrictions will be set to 1. + */ +extern int mmu_ci_restrictions; #ifdef CONFIG_HUGETLB_PAGE /* @@ -254,6 +266,7 @@ extern long iSeries_hpte_insert(unsigned long hpte_group, extern void stabs_alloc(void); extern void slb_initialize(void); +extern void slb_flush_and_rebolt(void); extern void stab_initialize(unsigned long stab); #endif /* __ASSEMBLY__ */ @@ -357,9 +370,12 @@ typedef unsigned long mm_context_id_t; typedef struct { mm_context_id_t id; + u16 user_psize; /* page size index */ + u16 sllp; /* SLB entry page size encoding */ #ifdef CONFIG_HUGETLB_PAGE u16 low_htlb_areas, high_htlb_areas; #endif + unsigned long vdso_base; } mm_context_t; |