diff options
| author | Aneesh Kumar K.V <[email protected]> | 2012-07-31 16:42:00 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2012-07-31 18:42:40 -0700 |
| commit | 972dc4de13f667a7df27ee32573b2e6fc6cc8434 (patch) | |
| tree | 0d3ea1381b81700d17307fc6996a67bbabb7fac2 /include/linux | |
| parent | 76dcee75c1aff61259f5ed55e2bcfab60cc4bd5f (diff) | |
hugetlb: add an inline helper for finding hstate index
Add an inline helper and use it in the code.
Signed-off-by: Aneesh Kumar K.V <[email protected]>
Acked-by: David Rientjes <[email protected]>
Acked-by: Michal Hocko <[email protected]>
Reviewed-by: KAMEZAWA Hiroyuki <[email protected]>
Cc: Hillf Danton <[email protected]>
Cc: KOSAKI Motohiro <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/hugetlb.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index d5d6bbe2259e..217f52859fa7 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -302,6 +302,11 @@ static inline unsigned hstate_index_to_shift(unsigned index) return hstates[index].order + PAGE_SHIFT; } +static inline int hstate_index(struct hstate *h) +{ + return h - hstates; +} + #else struct hstate {}; #define alloc_huge_page_node(h, nid) NULL @@ -320,6 +325,7 @@ static inline unsigned int pages_per_huge_page(struct hstate *h) return 1; } #define hstate_index_to_shift(index) 0 +#define hstate_index(h) 0 #endif #endif /* _LINUX_HUGETLB_H */ |