diff options
Diffstat (limited to 'kernel/drivers/block/zram/zcomp.c')
| -rw-r--r-- | kernel/drivers/block/zram/zcomp.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/kernel/drivers/block/zram/zcomp.c b/kernel/drivers/block/zram/zcomp.c index 54d946a9e..c53617752 100644 --- a/kernel/drivers/block/zram/zcomp.c +++ b/kernel/drivers/block/zram/zcomp.c @@ -76,7 +76,7 @@ static void zcomp_strm_free(struct zcomp *comp, struct zcomp_strm *zstrm) */ static struct zcomp_strm *zcomp_strm_alloc(struct zcomp *comp) { - struct zcomp_strm *zstrm = kmalloc(sizeof(*zstrm), GFP_KERNEL); + struct zcomp_strm *zstrm = kmalloc(sizeof(*zstrm), GFP_NOIO); if (!zstrm) return NULL; @@ -85,7 +85,7 @@ static struct zcomp_strm *zcomp_strm_alloc(struct zcomp *comp) * allocate 2 pages. 1 for compressed data, plus 1 extra for the * case when compressed size is larger than the original one */ - zstrm->buffer = (void *)__get_free_pages(GFP_KERNEL | __GFP_ZERO, 1); + zstrm->buffer = (void *)__get_free_pages(GFP_NOIO | __GFP_ZERO, 1); if (!zstrm->private || !zstrm->buffer) { zcomp_strm_free(comp, zstrm); zstrm = NULL; @@ -274,7 +274,7 @@ ssize_t zcomp_available_show(const char *comp, char *buf) int i = 0; while (backends[i]) { - if (sysfs_streq(comp, backends[i]->name)) + if (!strcmp(comp, backends[i]->name)) sz += scnprintf(buf + sz, PAGE_SIZE - sz - 2, "[%s] ", backends[i]->name); else @@ -286,6 +286,11 @@ ssize_t zcomp_available_show(const char *comp, char *buf) return sz; } +bool zcomp_available_algorithm(const char *comp) +{ + return find_backend(comp) != NULL; +} + bool zcomp_set_max_streams(struct zcomp *comp, int num_strm) { return comp->set_max_streams(comp, num_strm); |