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authorAl Viro <viro@zeniv.linux.org.uk>2013-03-04 15:47:59 (GMT)
committerAl Viro <viro@zeniv.linux.org.uk>2013-03-04 15:47:59 (GMT)
commit4b377bab29e6a241db42f27541e7fb63713ee178 (patch)
treee56ee3359156dd2d01ebd6dac3aaf04cbc311bec
parent2ae80c43d480548dd32591664c93ef011ac34b21 (diff)
downloadlinux-4b377bab29e6a241db42f27541e7fb63713ee178.tar.xz
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>
-rw-r--r--arch/sparc/kernel/sys_sparc_64.c4
-rw-r--r--include/linux/mm.h3
-rw-r--r--mm/nommu.c3
3 files changed, 1 insertions, 9 deletions
diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c
index 708bc29..42beb6f 100644
--- a/arch/sparc/kernel/sys_sparc_64.c
+++ b/arch/sparc/kernel/sys_sparc_64.c
@@ -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,
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 7acc9dc..f4c8aa9 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -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);
diff --git a/mm/nommu.c b/mm/nommu.c
index e193280..66737e0 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -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,