diff options
| author | Takashi Iwai <tiwai@suse.de> | 2013-04-12 10:27:39 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2013-04-12 10:27:39 +0200 |
| commit | 232a73dda2f2dba9002b727eb3ec76d82882b90c (patch) | |
| tree | 308cdeea9bf18de71af79dcd5a30a8f2be9af6da /mm/mmap.c | |
| parent | 889d66848b12d891248b03abcb2a42047f8e172a (diff) | |
| parent | ca62bed0bbf9baf88d8bb404d72dee3b44ef057e (diff) | |
Merge tag 'asoc-v3.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Updates for v3.9
A few updates, more than I'd like, fixing some relatively small issues
but mostly driver specific ones. Nothing wildly exciting so if it
doesn't make v3.9 it won't be the end of the world but it'd be nice.
Diffstat (limited to 'mm/mmap.c')
| -rw-r--r-- | mm/mmap.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/mm/mmap.c b/mm/mmap.c index 2664a47cec93..0db0de1c2fbe 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -1306,7 +1306,9 @@ unsigned long do_mmap_pgoff(struct file *file, unsigned long addr, } addr = mmap_region(file, addr, len, vm_flags, pgoff); - if (!IS_ERR_VALUE(addr) && (vm_flags & VM_POPULATE)) + if (!IS_ERR_VALUE(addr) && + ((vm_flags & VM_LOCKED) || + (flags & (MAP_POPULATE | MAP_NONBLOCK)) == MAP_POPULATE)) *populate = len; return addr; } @@ -1938,7 +1940,7 @@ struct vm_area_struct *find_vma(struct mm_struct *mm, unsigned long addr) /* Check the cache first. */ /* (Cache hit rate is typically around 35%.) */ - vma = mm->mmap_cache; + vma = ACCESS_ONCE(mm->mmap_cache); if (!(vma && vma->vm_end > addr && vma->vm_start <= addr)) { struct rb_node *rb_node; |