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-rw-r--r--arch/alpha/include/asm/floppy.h19
-rw-r--r--arch/alpha/include/asm/pgtable.h25
-rw-r--r--arch/alpha/mm/init.c27
3 files changed, 1 insertions, 70 deletions
diff --git a/arch/alpha/include/asm/floppy.h b/arch/alpha/include/asm/floppy.h
index 64b42d9591fc..5a6239e65097 100644
--- a/arch/alpha/include/asm/floppy.h
+++ b/arch/alpha/include/asm/floppy.h
@@ -90,25 +90,6 @@ static int FDC2 = -1;
#define N_FDC 2
#define N_DRIVE 8
-/*
- * Most Alphas have no problems with floppy DMA crossing 64k borders,
- * except for certain ones, like XL and RUFFIAN.
- *
- * However, the test is simple and fast, and this *is* floppy, after all,
- * so we do it for all platforms, just to make sure.
- *
- * This is advantageous in other circumstances as well, as in moving
- * about the PCI DMA windows and forcing the floppy to start doing
- * scatter-gather when it never had before, and there *is* a problem
- * on that platform... ;-}
- */
-
-static inline unsigned long CROSS_64KB(void *a, unsigned long s)
-{
- unsigned long p = (unsigned long)a;
- return ((p + s - 1) ^ p) & ~0xffffUL;
-}
-
#define EXTRA_FLOPPY_PARAMS
#endif /* __ASM_ALPHA_FLOPPY_H */
diff --git a/arch/alpha/include/asm/pgtable.h b/arch/alpha/include/asm/pgtable.h
index 44e7aedac6e8..90e7a9539102 100644
--- a/arch/alpha/include/asm/pgtable.h
+++ b/arch/alpha/include/asm/pgtable.h
@@ -107,7 +107,7 @@ struct vm_area_struct;
#define _PAGE_NORMAL(x) __pgprot(_PAGE_VALID | __ACCESS_BITS | (x))
-#define _PAGE_P(x) _PAGE_NORMAL((x) | (((x) & _PAGE_FOW)?0:_PAGE_FOW))
+#define _PAGE_P(x) _PAGE_NORMAL((x) | _PAGE_FOW)
#define _PAGE_S(x) _PAGE_NORMAL(x)
/*
@@ -126,34 +126,11 @@ struct vm_area_struct;
#define pgprot_noncached(prot) (prot)
/*
- * BAD_PAGETABLE is used when we need a bogus page-table, while
- * BAD_PAGE is used for a bogus page.
- *
* ZERO_PAGE is a global shared page that is always zero: used
* for zero-mapped memory areas etc..
*/
-extern pte_t __bad_page(void);
-extern pmd_t * __bad_pagetable(void);
-
-extern unsigned long __zero_page(void);
-
-#define BAD_PAGETABLE __bad_pagetable()
-#define BAD_PAGE __bad_page()
#define ZERO_PAGE(vaddr) (virt_to_page(ZERO_PGE))
-/* number of bits that fit into a memory pointer */
-#define BITS_PER_PTR (8*sizeof(unsigned long))
-
-/* to align the pointer to a pointer address */
-#define PTR_MASK (~(sizeof(void*)-1))
-
-/* sizeof(void*)==1<<SIZEOF_PTR_LOG2 */
-#define SIZEOF_PTR_LOG2 3
-
-/* to find an entry in a page-table */
-#define PAGE_PTR(address) \
- ((unsigned long)(address)>>(PAGE_SHIFT-SIZEOF_PTR_LOG2)&PTR_MASK&~PAGE_MASK)
-
/*
* On certain platforms whose physical address space can overlap KSEG,
* namely EV6 and above, we must re-twiddle the physaddr to restore the
diff --git a/arch/alpha/mm/init.c b/arch/alpha/mm/init.c
index 2d491b8cdab9..4c5ab9cd8a0a 100644
--- a/arch/alpha/mm/init.c
+++ b/arch/alpha/mm/init.c
@@ -60,33 +60,6 @@ pgd_alloc(struct mm_struct *mm)
}
-/*
- * BAD_PAGE is the page that is used for page faults when linux
- * is out-of-memory. Older versions of linux just did a
- * do_exit(), but using this instead means there is less risk
- * for a process dying in kernel mode, possibly leaving an inode
- * unused etc..
- *
- * BAD_PAGETABLE is the accompanying page-table: it is initialized
- * to point to BAD_PAGE entries.
- *
- * ZERO_PAGE is a special page that is used for zero-initialized
- * data and COW.
- */
-pmd_t *
-__bad_pagetable(void)
-{
- memset(absolute_pointer(EMPTY_PGT), 0, PAGE_SIZE);
- return (pmd_t *) EMPTY_PGT;
-}
-
-pte_t
-__bad_page(void)
-{
- memset(absolute_pointer(EMPTY_PGE), 0, PAGE_SIZE);
- return pte_mkdirty(mk_pte(virt_to_page(EMPTY_PGE), PAGE_SHARED));
-}
-
static inline unsigned long
load_PCB(struct pcb_struct *pcb)
{