diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/compaction.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/mm/compaction.c b/mm/compaction.c index 77854fbc0f5..f61f77983ff 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -13,6 +13,7 @@ #include <linux/mm_inline.h> #include <linux/backing-dev.h> #include <linux/sysctl.h> +#include <linux/sysfs.h> #include "internal.h" /* @@ -453,3 +454,25 @@ int sysctl_compaction_handler(struct ctl_table *table, int write, return 0; } + +#if defined(CONFIG_SYSFS) && defined(CONFIG_NUMA) +ssize_t sysfs_compact_node(struct sys_device *dev, + struct sysdev_attribute *attr, + const char *buf, size_t count) +{ + compact_node(dev->id); + + return count; +} +static SYSDEV_ATTR(compact, S_IWUSR, NULL, sysfs_compact_node); + +int compaction_register_node(struct node *node) +{ + return sysdev_create_file(&node->sysdev, &attr_compact); +} + +void compaction_unregister_node(struct node *node) +{ + return sysdev_remove_file(&node->sysdev, &attr_compact); +} +#endif /* CONFIG_SYSFS && CONFIG_NUMA */ |