diff options
| -rw-r--r-- | mm/shmem.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/mm/shmem.c b/mm/shmem.c index 67ff829e2f0e..7c6b6d8f6c39 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -4020,7 +4020,7 @@ out2: #if defined(CONFIG_TRANSPARENT_HUGEPAGE) && defined(CONFIG_SYSFS) static ssize_t shmem_enabled_show(struct kobject *kobj, - struct kobj_attribute *attr, char *buf) + struct kobj_attribute *attr, char *buf) { static const int values[] = { SHMEM_HUGE_ALWAYS, @@ -4030,16 +4030,19 @@ static ssize_t shmem_enabled_show(struct kobject *kobj, SHMEM_HUGE_DENY, SHMEM_HUGE_FORCE, }; - int i, count; - - for (i = 0, count = 0; i < ARRAY_SIZE(values); i++) { - const char *fmt = shmem_huge == values[i] ? "[%s] " : "%s "; + int len = 0; + int i; - count += sprintf(buf + count, fmt, - shmem_format_huge(values[i])); + for (i = 0; i < ARRAY_SIZE(values); i++) { + len += sysfs_emit_at(buf, len, + shmem_huge == values[i] ? "%s[%s]" : "%s%s", + i ? " " : "", + shmem_format_huge(values[i])); } - buf[count - 1] = '\n'; - return count; + + len += sysfs_emit_at(buf, len, "\n"); + + return len; } static ssize_t shmem_enabled_store(struct kobject *kobj, |