(Resend)
It was copied from i386 and is unused.
-- Brian Gerst
diff -urN linux-2.5.42/arch/sh/mm/fault.c linux/arch/sh/mm/fault.c --- linux-2.5.42/arch/sh/mm/fault.c Sun Sep 15 22:18:24 2002 +++ linux/arch/sh/mm/fault.c Sat Oct 12 10:39:38 2002 @@ -30,58 +30,6 @@ extern void die(const char *,struct pt_regs *,long); /* - * Ugly, ugly, but the goto's result in better assembly.. - */ -int __verify_write(const void * addr, unsigned long size) -{ - struct vm_area_struct * vma; - unsigned long start = (unsigned long) addr; - - if (!size) - return 1; - - vma = find_vma(current->mm, start); - if (!vma) - goto bad_area; - if (vma->vm_start > start) - goto check_stack; - -good_area: - if (!(vma->vm_flags & VM_WRITE)) - goto bad_area; - size--; - size += start & ~PAGE_MASK; - size >>= PAGE_SHIFT; - start &= PAGE_MASK; - - for (;;) { - if (handle_mm_fault(current->mm, vma, start, 1) <= 0) - goto bad_area; - if (!size) - break; - size--; - start += PAGE_SIZE; - if (start < vma->vm_end) - continue; - vma = vma->vm_next; - if (!vma || vma->vm_start != start) - goto bad_area; - if (!(vma->vm_flags & VM_WRITE)) - goto bad_area;; - } - return 1; - -check_stack: - if (!(vma->vm_flags & VM_GROWSDOWN)) - goto bad_area; - if (expand_stack(vma, start) == 0) - goto good_area; - -bad_area: - return 0; -} - -/* * This routine handles page faults. It determines the address, * and the problem, and then passes it off to one of the appropriate * routines.
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This archive was generated by hypermail 2b29 : Wed Oct 23 2002 - 22:00:46 EST