diff options
| author | Ingo Molnar <mingo@kernel.org> | 2013-10-29 11:23:32 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2013-10-29 11:23:32 +0100 |
| commit | aac898548d04c7bff179b79f805874b0d6f87571 (patch) | |
| tree | e8de975fd5de6c95bf4329861a872dbcfe0c7ead /fs/proc/inode.c | |
| parent | 2f5e98802350627ad6f2e3cee4d177059fc0c2f2 (diff) | |
| parent | cd65718712469ad844467250e8fad20a5838baae (diff) | |
Merge branch 'perf/urgent' into perf/core
Conflicts:
tools/perf/builtin-record.c
tools/perf/builtin-top.c
tools/perf/util/hist.h
Diffstat (limited to 'fs/proc/inode.c')
| -rw-r--r-- | fs/proc/inode.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/fs/proc/inode.c b/fs/proc/inode.c index 9f8ef9b7674d..8eaa1ba793fc 100644 --- a/fs/proc/inode.c +++ b/fs/proc/inode.c @@ -288,10 +288,14 @@ static int proc_reg_mmap(struct file *file, struct vm_area_struct *vma) static unsigned long proc_reg_get_unmapped_area(struct file *file, unsigned long orig_addr, unsigned long len, unsigned long pgoff, unsigned long flags) { struct proc_dir_entry *pde = PDE(file_inode(file)); - int rv = -EIO; - unsigned long (*get_unmapped_area)(struct file *, unsigned long, unsigned long, unsigned long, unsigned long); + unsigned long rv = -EIO; + unsigned long (*get_unmapped_area)(struct file *, unsigned long, unsigned long, unsigned long, unsigned long) = NULL; if (use_pde(pde)) { - get_unmapped_area = pde->proc_fops->get_unmapped_area; +#ifdef CONFIG_MMU + get_unmapped_area = current->mm->get_unmapped_area; +#endif + if (pde->proc_fops->get_unmapped_area) + get_unmapped_area = pde->proc_fops->get_unmapped_area; if (get_unmapped_area) rv = get_unmapped_area(file, orig_addr, len, pgoff, flags); unuse_pde(pde); |