diff options
Diffstat (limited to 'mm/ashmem.c')
| -rw-r--r-- | mm/ashmem.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/mm/ashmem.c b/mm/ashmem.c index f92eb34a1482..66e3f23ee33c 100644 --- a/mm/ashmem.c +++ b/mm/ashmem.c @@ -347,14 +347,14 @@ out: * chunks of ashmem regions LRU-wise one-at-a-time until we hit 'nr_to_scan' * pages freed. */ -static int ashmem_shrink(struct shrinker *s, int nr_to_scan, gfp_t gfp_mask) +static int ashmem_shrink(struct shrinker *s, struct shrink_control *sc) { struct ashmem_range *range, *next; /* We might recurse into filesystem code, so bail out if necessary */ - if (nr_to_scan && !(gfp_mask & __GFP_FS)) + if (sc->nr_to_scan && !(sc->gfp_mask & __GFP_FS)) return -1; - if (!nr_to_scan) + if (!sc->nr_to_scan) return lru_count; mutex_lock(&ashmem_mutex); @@ -367,8 +367,8 @@ static int ashmem_shrink(struct shrinker *s, int nr_to_scan, gfp_t gfp_mask) range->purged = ASHMEM_WAS_PURGED; lru_del(range); - nr_to_scan -= range_size(range); - if (nr_to_scan <= 0) + sc->nr_to_scan -= range_size(range); + if (sc->nr_to_scan <= 0) break; } mutex_unlock(&ashmem_mutex); @@ -662,8 +662,13 @@ static long ashmem_ioctl(struct file *file, unsigned int cmd, unsigned long arg) case ASHMEM_PURGE_ALL_CACHES: ret = -EPERM; if (capable(CAP_SYS_ADMIN)) { - ret = ashmem_shrink(&ashmem_shrinker, 0, GFP_KERNEL); - ashmem_shrink(&ashmem_shrinker, ret, GFP_KERNEL); + struct shrink_control sc = { + .gfp_mask = GFP_KERNEL, + .nr_to_scan = 0, + }; + ret = ashmem_shrink(&ashmem_shrinker, &sc); + sc.nr_to_scan = ret; + ashmem_shrink(&ashmem_shrinker, &sc); } break; } |