make do_mremap() static
The extern in sys_sparc_64.c was a rudiment of time when do_mremap() used to exist in MMU case (it doesn't anymore). As for !MMU one, nothing uses it outside of mm/nommu.c... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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@ -470,10 +470,6 @@ SYSCALL_DEFINE2(64_munmap, unsigned long, addr, size_t, len)
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return vm_munmap(addr, len);
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}
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extern unsigned long do_mremap(unsigned long addr,
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unsigned long old_len, unsigned long new_len,
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unsigned long flags, unsigned long new_addr);
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SYSCALL_DEFINE5(64_mremap, unsigned long, addr, unsigned long, old_len,
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unsigned long, new_len, unsigned long, flags,
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@ -1079,9 +1079,6 @@ extern unsigned long move_page_tables(struct vm_area_struct *vma,
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unsigned long old_addr, struct vm_area_struct *new_vma,
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unsigned long new_addr, unsigned long len,
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bool need_rmap_locks);
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extern unsigned long do_mremap(unsigned long addr,
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unsigned long old_len, unsigned long new_len,
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unsigned long flags, unsigned long new_addr);
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extern unsigned long change_protection(struct vm_area_struct *vma, unsigned long start,
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unsigned long end, pgprot_t newprot,
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int dirty_accountable, int prot_numa);
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@ -1770,7 +1770,7 @@ unsigned long vm_brk(unsigned long addr, unsigned long len)
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*
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* MREMAP_FIXED is not supported under NOMMU conditions
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*/
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unsigned long do_mremap(unsigned long addr,
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static unsigned long do_mremap(unsigned long addr,
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unsigned long old_len, unsigned long new_len,
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unsigned long flags, unsigned long new_addr)
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{
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@ -1805,7 +1805,6 @@ unsigned long do_mremap(unsigned long addr,
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vma->vm_end = vma->vm_start + new_len;
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return vma->vm_start;
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}
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EXPORT_SYMBOL(do_mremap);
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SYSCALL_DEFINE5(mremap, unsigned long, addr, unsigned long, old_len,
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unsigned long, new_len, unsigned long, flags,
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