diff options
| -rw-r--r-- | include/linux/mm.h | 19 | ||||
| -rw-r--r-- | include/linux/page-flags.h | 4 | ||||
| -rw-r--r-- | mm/page_alloc.c | 5 | ||||
| -rw-r--r-- | mm/swap.c | 3 |
4 files changed, 0 insertions, 31 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index 0986d19..9701210 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -311,8 +311,6 @@ struct page { extern void FASTCALL(__page_cache_release(struct page *)); -#ifdef CONFIG_HUGETLB_PAGE - static inline int page_count(struct page *page) { if (PageCompound(page)) @@ -329,23 +327,6 @@ static inline void get_page(struct page *page) void put_page(struct page *page); -#else /* CONFIG_HUGETLB_PAGE */ - -#define page_count(p) (atomic_read(&(p)->_count) + 1) - -static inline void get_page(struct page *page) -{ - atomic_inc(&page->_count); -} - -static inline void put_page(struct page *page) -{ - if (put_page_testzero(page)) - __page_cache_release(page); -} - -#endif /* CONFIG_HUGETLB_PAGE */ - /* * Multiple processes may "see" the same page. E.g. for untouched * mappings of /dev/null, all processes see the same page full of diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index f34767c..343083fe 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -287,11 +287,7 @@ extern void __mod_page_state(unsigned long offset, unsigned long delta); #define ClearPageReclaim(page) clear_bit(PG_reclaim, &(page)->flags) #define TestClearPageReclaim(page) test_and_clear_bit(PG_reclaim, &(page)->flags) -#ifdef CONFIG_HUGETLB_PAGE #define PageCompound(page) test_bit(PG_compound, &(page)->flags) -#else -#define PageCompound(page) 0 -#endif #define SetPageCompound(page) set_bit(PG_compound, &(page)->flags) #define ClearPageCompound(page) clear_bit(PG_compound, &(page)->flags) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index bd4de59..23b84c4 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -148,10 +148,6 @@ static void bad_page(const char *function, struct page *page) add_taint(TAINT_BAD_PAGE); } -#ifndef CONFIG_HUGETLB_PAGE -#define prep_compound_page(page, order) do { } while (0) -#define destroy_compound_page(page, order) do { } while (0) -#else /* * Higher-order pages are called "compound pages". They are structured thusly: * @@ -205,7 +201,6 @@ static void destroy_compound_page(struct page *page, unsigned long order) ClearPageCompound(p); } } -#endif /* CONFIG_HUGETLB_PAGE */ /* * function for dealing with page's order in buddy system. @@ -34,8 +34,6 @@ /* How many pages do we try to swap or page in/out together? */ int page_cluster; -#ifdef CONFIG_HUGETLB_PAGE - void put_page(struct page *page) { if (unlikely(PageCompound(page))) { @@ -52,7 +50,6 @@ void put_page(struct page *page) __page_cache_release(page); } EXPORT_SYMBOL(put_page); -#endif /* * Writeback is about to end against a page which has been marked for immediate |
