diff options
Diffstat (limited to 'mm/nommu.c')
| -rw-r--r-- | mm/nommu.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/mm/nommu.c b/mm/nommu.c index f59e170fceb..c4acfbc0997 100644 --- a/mm/nommu.c +++ b/mm/nommu.c @@ -889,7 +889,6 @@ static int validate_mmap_request(struct file *file, unsigned long *_capabilities) { unsigned long capabilities, rlen; - unsigned long reqprot = prot; int ret; /* do the simple checks first */ @@ -1047,7 +1046,7 @@ static int validate_mmap_request(struct file *file, } /* allow the security API to have its say */ - ret = security_file_mmap(file, reqprot, prot, flags, addr, 0); + ret = security_mmap_addr(addr); if (ret < 0) return ret; @@ -1470,7 +1469,6 @@ error_getting_region: show_free_areas(0); return -ENOMEM; } -EXPORT_SYMBOL(do_mmap_pgoff); SYSCALL_DEFINE6(mmap_pgoff, unsigned long, addr, unsigned long, len, unsigned long, prot, unsigned long, flags, @@ -1488,9 +1486,7 @@ SYSCALL_DEFINE6(mmap_pgoff, unsigned long, addr, unsigned long, len, flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE); - down_write(¤t->mm->mmap_sem); - retval = do_mmap_pgoff(file, addr, len, prot, flags, pgoff); - up_write(¤t->mm->mmap_sem); + ret = vm_mmap_pgoff(file, addr, len, prot, flags, pgoff); if (file) fput(file); @@ -1709,16 +1705,22 @@ erase_whole_vma: } EXPORT_SYMBOL(do_munmap); -SYSCALL_DEFINE2(munmap, unsigned long, addr, size_t, len) +int vm_munmap(unsigned long addr, size_t len) { - int ret; struct mm_struct *mm = current->mm; + int ret; down_write(&mm->mmap_sem); ret = do_munmap(mm, addr, len); up_write(&mm->mmap_sem); return ret; } +EXPORT_SYMBOL(vm_munmap); + +SYSCALL_DEFINE2(munmap, unsigned long, addr, size_t, len) +{ + return vm_munmap(addr, len); +} /* * release all the mappings made in a process's VM space @@ -1744,7 +1746,7 @@ void exit_mmap(struct mm_struct *mm) kleave(""); } -unsigned long do_brk(unsigned long addr, unsigned long len) +unsigned long vm_brk(unsigned long addr, unsigned long len) { return -ENOMEM; } |