[SPARC64]: Kill pgtable quicklists and use SLAB.

[deliverable/linux.git] / include / asm-sparc64 / pgtable.h

diff --git a/include/asm-sparc64/pgtable.h b/include/asm-sparc64/pgtable.h
index a297f6144f0fa940d36bd674c0a3b181261213e7..77ba0b6cc1ced4d428bc412031870727b954e9e5 100644 (file)
--- a/include/asm-sparc64/pgtable.h
+++ b/include/asm-sparc64/pgtable.h
@@ -25,7 +25,8 @@
 #include <asm/const.h>
 
 /* The kernel image occupies 0x4000000 to 0x1000000 (4MB --> 32MB).
- * The page copy blockops can use 0x2000000 to 0x10000000.
+ * The page copy blockops can use 0x2000000 to 0x4000000.
+ * The TSB is mapped in the 0x4000000 to 0x6000000 range.
  * The PROM resides in an area spanning 0xf0000000 to 0x100000000.
  * The vmalloc area spans 0x100000000 to 0x200000000.
  * Since modules need to be in the lowest 32-bits of the address space,
@@ -34,6 +35,7 @@
  * 0x400000000.
  */
 #define        TLBTEMP_BASE            _AC(0x0000000002000000,UL)
+#define        TSBMAP_BASE             _AC(0x0000000004000000,UL)
 #define MODULES_VADDR          _AC(0x0000000010000000,UL)
 #define MODULES_LEN            _AC(0x00000000e0000000,UL)
 #define MODULES_END            _AC(0x00000000f0000000,UL)
@@ -60,13 +62,13 @@
  * table can map
  */
 #define PMD_SHIFT      (PAGE_SHIFT + (PAGE_SHIFT-3))
-#define PMD_SIZE       (1UL << PMD_SHIFT)
+#define PMD_SIZE       (_AC(1,UL) << PMD_SHIFT)
 #define PMD_MASK       (~(PMD_SIZE-1))
 #define PMD_BITS       (PAGE_SHIFT - 2)
 
 /* PGDIR_SHIFT determines what a third-level page table entry can map */
 #define PGDIR_SHIFT    (PAGE_SHIFT + (PAGE_SHIFT-3) + PMD_BITS)
-#define PGDIR_SIZE     (1UL << PGDIR_SHIFT)
+#define PGDIR_SIZE     (_AC(1,UL) << PGDIR_SHIFT)
 #define PGDIR_MASK     (~(PGDIR_SIZE-1))
 #define PGDIR_BITS     (PAGE_SHIFT - 2)
 
@@ -98,7 +100,9 @@
 #define _PAGE_NFO      _AC(0x1000000000000000,UL) /* No Fault Only          */
 #define _PAGE_IE       _AC(0x0800000000000000,UL) /* Invert Endianness      */
 #define _PAGE_SOFT2    _AC(0x07FC000000000000,UL) /* Software bits, set 2   */
-#define _PAGE_RES1     _AC(0x0003000000000000,UL) /* Reserved               */
+#define _PAGE_RES1     _AC(0x0002000000000000,UL) /* Reserved               */
+#define _PAGE_SZ32MB   _AC(0x0001000000000000,UL) /* (Panther) 32MB page    */
+#define _PAGE_SZ256MB  _AC(0x2001000000000000,UL) /* (Panther) 256MB page   */
 #define _PAGE_SN       _AC(0x0000800000000000,UL) /* (Cheetah) Snoop        */
 #define _PAGE_RES2     _AC(0x0000780000000000,UL) /* Reserved               */
 #define _PAGE_PADDR_SF _AC(0x000001FFFFFFE000,UL) /* (Spitfire) paddr[40:13]*/
@@ -229,9 +233,6 @@ extern struct page *mem_map_zero;
 #define pte_pfn(x)             ((pte_val(x) & _PAGE_PADDR)>>PAGE_SHIFT)
 #define pte_page(x)            pfn_to_page(pte_pfn(x))
 
-#define page_pte_prot(page, prot)      mk_pte(page, prot)
-#define page_pte(page)                 page_pte_prot(page, __pgprot(0))
-
 static inline pte_t pte_modify(pte_t orig_pte, pgprot_t new_prot)
 {
        pte_t __pte;
@@ -297,11 +298,6 @@ static inline pte_t pte_modify(pte_t orig_pte, pgprot_t new_prot)
 /* to find an entry in a kernel page-table-directory */
 #define pgd_offset_k(address) pgd_offset(&init_mm, address)
 
-/* extract the pgd cache used for optimizing the tlb miss
- * slow path when executing 32-bit compat processes
- */
-#define get_pgd_cache(pgd)     ((unsigned long) pgd_val(*pgd) << 11)
-
 /* Find an entry in the second-level page table.. */
 #define pmd_offset(pudp, address)      \
        ((pmd_t *) pud_page(*(pudp)) + \
@@ -336,7 +332,11 @@ static inline void set_pte_at(struct mm_struct *mm, unsigned long addr, pte_t *p
 #define pte_clear(mm,addr,ptep)                \
        set_pte_at((mm), (addr), (ptep), __pte(0UL))
 
-extern pgd_t swapper_pg_dir[1];
+extern pgd_t swapper_pg_dir[2048];
+extern pmd_t swapper_low_pmd_dir[2048];
+
+extern void paging_init(void);
+extern unsigned long find_ecache_flush_span(unsigned long size);
 
 /* These do nothing with the way I have things setup. */
 #define mmu_lockarea(vaddr, len)               (vaddr)
@@ -345,16 +345,6 @@ extern pgd_t swapper_pg_dir[1];
 struct vm_area_struct;
 extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t);
 
-/* Make a non-present pseudo-TTE. */
-static inline pte_t mk_pte_io(unsigned long page, pgprot_t prot, int space)
-{
-       pte_t pte;
-       pte_val(pte) = (((page) | pgprot_val(prot) | _PAGE_E) &
-                       ~(unsigned long)_PAGE_CACHE);
-       pte_val(pte) |= (((unsigned long)space) << 32);
-       return pte;
-}
-
 /* Encode and de-code a swap entry */
 #define __swp_type(entry)      (((entry).val >> PAGE_SHIFT) & 0xffUL)
 #define __swp_offset(entry)    ((entry).val >> (PAGE_SHIFT + 8UL))
@@ -442,12 +432,7 @@ extern unsigned long get_fb_unmapped_area(struct file *filp, unsigned long,
                                          unsigned long);
 #define HAVE_ARCH_FB_UNMAPPED_AREA
 
-/*
- * No page table caches to initialise
- */
-#define pgtable_cache_init()   do { } while (0)
-
-extern void check_pgt_cache(void);
+extern void pgtable_cache_init(void);
 
 #endif /* !(__ASSEMBLY__) */