ia64, sparc64: convert wrappers around do_mremap() to sys_mremap()

they contain open-coded sys_mremap()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2012-05-30 02:12:40 -04:00
parent 7696e0c37f
commit 657bec850f
2 changed files with 5 additions and 25 deletions

View File

@ -171,22 +171,9 @@ asmlinkage unsigned long
ia64_mremap (unsigned long addr, unsigned long old_len, unsigned long new_len, unsigned long flags,
unsigned long new_addr)
{
extern unsigned long do_mremap (unsigned long addr,
unsigned long old_len,
unsigned long new_len,
unsigned long flags,
unsigned long new_addr);
down_write(&current->mm->mmap_sem);
{
addr = do_mremap(addr, old_len, new_len, flags, new_addr);
}
up_write(&current->mm->mmap_sem);
if (IS_ERR((void *) addr))
return addr;
force_successful_syscall_return();
addr = sys_mremap(addr, old_len, new_len, flags, new_addr);
if (!IS_ERR((void *) addr))
force_successful_syscall_return();
return addr;
}

View File

@ -580,16 +580,9 @@ SYSCALL_DEFINE5(64_mremap, unsigned long, addr, unsigned long, old_len,
unsigned long, new_len, unsigned long, flags,
unsigned long, new_addr)
{
unsigned long ret = -EINVAL;
if (test_thread_flag(TIF_32BIT))
goto out;
down_write(&current->mm->mmap_sem);
ret = do_mremap(addr, old_len, new_len, flags, new_addr);
up_write(&current->mm->mmap_sem);
out:
return ret;
return -EINVAL;
return sys_mremap(addr, old_len, new_len, flags, new_addr);
}
/* we come to here via sys_nis_syscall so it can setup the regs argument */