Merge branch 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull locking changes from Ingo Molnar:
 "Four miscellanous standalone fixes for futexes, rtmutexes and
  Kconfig.locks."

* 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  futex: Use freezable blocking call
  futex: Take hugepages into account when generating futex_key
  rtmutex: Document rt_mutex_adjust_prio_chain()
  locking: Fix copy/paste errors of "ARCH_INLINE_*_UNLOCK_BH"
This commit is contained in:
Linus Torvalds 2013-07-02 16:07:52 -07:00
commit 3e42dee676
5 changed files with 53 additions and 5 deletions

View file

@ -358,6 +358,17 @@ static inline int hstate_index(struct hstate *h)
return h - hstates;
}
pgoff_t __basepage_index(struct page *page);
/* Return page->index in PAGE_SIZE units */
static inline pgoff_t basepage_index(struct page *page)
{
if (!PageCompound(page))
return page->index;
return __basepage_index(page);
}
#else /* CONFIG_HUGETLB_PAGE */
struct hstate {};
#define alloc_huge_page_node(h, nid) NULL
@ -378,6 +389,11 @@ static inline unsigned int pages_per_huge_page(struct hstate *h)
}
#define hstate_index_to_shift(index) 0
#define hstate_index(h) 0
static inline pgoff_t basepage_index(struct page *page)
{
return page->index;
}
#endif /* CONFIG_HUGETLB_PAGE */
#endif /* _LINUX_HUGETLB_H */