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-rw-r--r--include/asm-powerpc/mmu.h16
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[];
96#define HPTE_R_FLAGS ASM_CONST(0x00000000000003ff) 96#define HPTE_R_FLAGS ASM_CONST(0x00000000000003ff)
97#define HPTE_R_PP ASM_CONST(0x0000000000000003) 97#define HPTE_R_PP ASM_CONST(0x0000000000000003)
98#define HPTE_R_N ASM_CONST(0x0000000000000004) 98#define HPTE_R_N ASM_CONST(0x0000000000000004)
99#define HPTE_R_C ASM_CONST(0x0000000000000080)
100#define HPTE_R_R ASM_CONST(0x0000000000000100)
99 101
100/* Values for PP (assumes Ks=0, Kp=1) */ 102/* Values for PP (assumes Ks=0, Kp=1) */
101/* pp0 will always be 0 for linux */ 103/* pp0 will always be 0 for linux */
@@ -163,6 +165,16 @@ struct mmu_psize_def
163extern struct mmu_psize_def mmu_psize_defs[MMU_PAGE_COUNT]; 165extern struct mmu_psize_def mmu_psize_defs[MMU_PAGE_COUNT];
164extern int mmu_linear_psize; 166extern int mmu_linear_psize;
165extern int mmu_virtual_psize; 167extern int mmu_virtual_psize;
168extern int mmu_vmalloc_psize;
169extern int mmu_io_psize;
170
171/*
172 * If the processor supports 64k normal pages but not 64k cache
173 * inhibited pages, we have to be prepared to switch processes
174 * to use 4k pages when they create cache-inhibited mappings.
175 * If this is the case, mmu_ci_restrictions will be set to 1.
176 */
177extern int mmu_ci_restrictions;
166 178
167#ifdef CONFIG_HUGETLB_PAGE 179#ifdef CONFIG_HUGETLB_PAGE
168/* 180/*
@@ -254,6 +266,7 @@ extern long iSeries_hpte_insert(unsigned long hpte_group,
254 266
255extern void stabs_alloc(void); 267extern void stabs_alloc(void);
256extern void slb_initialize(void); 268extern void slb_initialize(void);
269extern void slb_flush_and_rebolt(void);
257extern void stab_initialize(unsigned long stab); 270extern void stab_initialize(unsigned long stab);
258 271
259#endif /* __ASSEMBLY__ */ 272#endif /* __ASSEMBLY__ */
@@ -357,9 +370,12 @@ typedef unsigned long mm_context_id_t;
357 370
358typedef struct { 371typedef struct {
359 mm_context_id_t id; 372 mm_context_id_t id;
373 u16 user_psize; /* page size index */
374 u16 sllp; /* SLB entry page size encoding */
360#ifdef CONFIG_HUGETLB_PAGE 375#ifdef CONFIG_HUGETLB_PAGE
361 u16 low_htlb_areas, high_htlb_areas; 376 u16 low_htlb_areas, high_htlb_areas;
362#endif 377#endif
378 unsigned long vdso_base;
363} mm_context_t; 379} mm_context_t;
364 380
365 381