include/asm-x86/ipi.h: checkpatch cleanups - formatting only

[sfrench/cifs-2.6.git] / include / asm-x86 / pgtable_32.h

diff --git a/include/asm-x86/pgtable_32.h b/include/asm-x86/pgtable_32.h
index 72eb06c2bac9fde7693752502c9524afd367b6bc..1e2c0d839528b5cd7ae9253bf4a36f616df11958 100644 (file)
--- a/include/asm-x86/pgtable_32.h
+++ b/include/asm-x86/pgtable_32.h
@@ -26,13 +26,9 @@ struct mm_struct;
 struct vm_area_struct;
 
 extern pgd_t swapper_pg_dir[1024];
-extern struct kmem_cache *pmd_cache;
-extern spinlock_t pgd_lock;
-extern struct page *pgd_list;
-void check_pgt_cache(void);
 
-void pmd_ctor(struct kmem_cache *, void *);
-void pgtable_cache_init(void);
+static inline void pgtable_cache_init(void) { }
+static inline void check_pgt_cache(void) { }
 void paging_init(void);
 
 
@@ -55,10 +51,6 @@ void paging_init(void);
 #define USER_PGD_PTRS (PAGE_OFFSET >> PGDIR_SHIFT)
 #define KERNEL_PGD_PTRS (PTRS_PER_PGD-USER_PGD_PTRS)
 
-#define TWOLEVEL_PGDIR_SHIFT   22
-#define BOOT_USER_PGD_PTRS (__PAGE_OFFSET >> TWOLEVEL_PGDIR_SHIFT)
-#define BOOT_KERNEL_PGD_PTRS (1024-BOOT_USER_PGD_PTRS)
-
 /* Just any arbitrary offset to the start of the vmalloc VM area: the
  * current 8MB value just means that there will be a 8MB "hole" after the
  * physical memory until the kernel virtual memory starts.  That means that
@@ -69,6 +61,14 @@ void paging_init(void);
 #define VMALLOC_OFFSET (8*1024*1024)
 #define VMALLOC_START  (((unsigned long) high_memory + \
                        2*VMALLOC_OFFSET-1) & ~(VMALLOC_OFFSET-1))
+#ifdef CONFIG_X86_PAE
+#define LAST_PKMAP 512
+#else
+#define LAST_PKMAP 1024
+#endif
+
+#define PKMAP_BASE ((FIXADDR_BOOT_START - PAGE_SIZE*(LAST_PKMAP + 1)) & PMD_MASK)
+
 #ifdef CONFIG_HIGHMEM
 # define VMALLOC_END   (PKMAP_BASE-2*PAGE_SIZE)
 #else
@@ -90,7 +90,13 @@ extern unsigned long pg0[];
 /* To avoid harmful races, pmd_none(x) should check only the lower when PAE */
 #define pmd_none(x)    (!(unsigned long)pmd_val(x))
 #define pmd_present(x) (pmd_val(x) & _PAGE_PRESENT)
-#define        pmd_bad(x)      ((pmd_val(x) & (~PAGE_MASK & ~_PAGE_USER)) != _KERNPG_TABLE)
+
+extern int pmd_bad(pmd_t pmd);
+
+#define pmd_bad_v1(x)  ((pmd_val(x) & (~PAGE_MASK & ~_PAGE_USER)) != _KERNPG_TABLE)
+#define        pmd_bad_v2(x)   ((pmd_val(x) \
+                         & ~(PAGE_MASK | _PAGE_USER | _PAGE_PSE | _PAGE_NX)) \
+                        != _KERNPG_TABLE)
 
 
 #define pages_to_mb(x) ((x) >> (20-PAGE_SHIFT))
@@ -151,6 +157,8 @@ static inline void clone_pgd_range(pgd_t *dst, pgd_t *src, int count)
  */
 #define pgd_offset_k(address) pgd_offset(&init_mm, address)
 
+static inline int pud_large(pud_t pud) { return 0; }
+
 /*
  * the pmd page can be thought of an array like this: pmd_t[PTRS_PER_PMD]
  *
@@ -176,14 +184,6 @@ static inline void clone_pgd_range(pgd_t *dst, pgd_t *src, int count)
 #define pmd_page_vaddr(pmd) \
                ((unsigned long) __va(pmd_val(pmd) & PAGE_MASK))
 
-/*
- * Helper function that returns the kernel pagetable entry controlling
- * the virtual address 'address'. NULL means no pagetable entry present.
- * NOTE: the return type is pte_t but if the pmd is PSE then we return it
- * as a pte too.
- */
-extern pte_t *lookup_address(unsigned long address, int *level);
-
 #if defined(CONFIG_HIGHPTE)
 #define pte_offset_map(dir, address) \
        ((pte_t *)kmap_atomic_pte(pmd_page(*(dir)),KM_PTE0) + pte_index(address))