diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/hugetlb.h | 10 | ||||
| -rw-r--r-- | include/linux/slub_def.h | 9 |
2 files changed, 19 insertions, 0 deletions
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index 5b337cf8fb8..b65166de1d9 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -412,6 +412,16 @@ static inline spinlock_t *huge_pte_lockptr(struct hstate *h, return &mm->page_table_lock; } +static inline bool hugepages_supported(void) +{ + /* + * Some platform decide whether they support huge pages at boot + * time. On these, such as powerpc, HPAGE_SHIFT is set to 0 when + * there is no such support + */ + return HPAGE_SHIFT != 0; +} + #else /* CONFIG_HUGETLB_PAGE */ struct hstate {}; #define alloc_huge_page_node(h, nid) NULL diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h index f2f7398848c..d82abd40a3c 100644 --- a/include/linux/slub_def.h +++ b/include/linux/slub_def.h @@ -101,4 +101,13 @@ struct kmem_cache { struct kmem_cache_node *node[MAX_NUMNODES]; }; +#ifdef CONFIG_SYSFS +#define SLAB_SUPPORTS_SYSFS +void sysfs_slab_remove(struct kmem_cache *); +#else +static inline void sysfs_slab_remove(struct kmem_cache *s) +{ +} +#endif + #endif /* _LINUX_SLUB_DEF_H */ |