diff options
| -rw-r--r-- | drivers/staging/android/ashmem.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/staging/android/ashmem.c b/drivers/staging/android/ashmem.c index 5bb1283..8ae1308 100644 --- a/drivers/staging/android/ashmem.c +++ b/drivers/staging/android/ashmem.c @@ -441,7 +441,9 @@ ashmem_shrink_scan(struct shrinker *shrink, struct shrink_control *sc) if (!(sc->gfp_mask & __GFP_FS)) return SHRINK_STOP; - mutex_lock(&ashmem_mutex); + if (!mutex_trylock(&ashmem_mutex)) + return -1; + list_for_each_entry_safe(range, next, &ashmem_lru_list, lru) { loff_t start = range->pgstart * PAGE_SIZE; loff_t end = (range->pgend + 1) * PAGE_SIZE; |