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make do_mremap() static

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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>
This commit is contained in:
Al Viro 2013-03-04 10:47:59 -05:00
parent 2ae80c43d4
commit 4b377bab29
3 changed files with 1 additions and 9 deletions
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4
arch/sparc/kernel/sys_sparc_64.c
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@ -470,10 +470,6 @@ SYSCALL_DEFINE2(64_munmap, unsigned long, addr, size_t, len)
return vm_munmap(addr, len);
}
extern unsigned long do_mremap(unsigned long addr,
unsigned long old_len, unsigned long new_len,
unsigned long flags, unsigned long new_addr);
SYSCALL_DEFINE5(64_mremap, unsigned long, addr, unsigned long, old_len,
unsigned long, new_len, unsigned long, flags,

3
include/linux/mm.h
View file

@ -1079,9 +1079,6 @@ extern unsigned long move_page_tables(struct vm_area_struct *vma,
unsigned long old_addr, struct vm_area_struct *new_vma,
unsigned long new_addr, unsigned long len,
bool need_rmap_locks);
extern unsigned long do_mremap(unsigned long addr,
unsigned long old_len, unsigned long new_len,
unsigned long flags, unsigned long new_addr);
extern unsigned long change_protection(struct vm_area_struct *vma, unsigned long start,
unsigned long end, pgprot_t newprot,
int dirty_accountable, int prot_numa);

3
mm/nommu.c
View file

@ -1770,7 +1770,7 @@ unsigned long vm_brk(unsigned long addr, unsigned long len)
*
* MREMAP_FIXED is not supported under NOMMU conditions
*/
unsigned long do_mremap(unsigned long addr,
static unsigned long do_mremap(unsigned long addr,
unsigned long old_len, unsigned long new_len,
unsigned long flags, unsigned long new_addr)
{
@ -1805,7 +1805,6 @@ unsigned long do_mremap(unsigned long addr,
vma->vm_end = vma->vm_start + new_len;
return vma->vm_start;
}
EXPORT_SYMBOL(do_mremap);
SYSCALL_DEFINE5(mremap, unsigned long, addr, unsigned long, old_len,
unsigned long, new_len, unsigned long, flags,