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 0986d19be0b7..9701210c6680 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h | |||
| @@ -311,8 +311,6 @@ struct page { | |||
| 311 | 311 | ||
| 312 | extern void FASTCALL(__page_cache_release(struct page *)); | 312 | extern void FASTCALL(__page_cache_release(struct page *)); |
| 313 | 313 | ||
| 314 | #ifdef CONFIG_HUGETLB_PAGE | ||
| 315 | |||
| 316 | static inline int page_count(struct page *page) | 314 | static inline int page_count(struct page *page) |
| 317 | { | 315 | { |
| 318 | if (PageCompound(page)) | 316 | if (PageCompound(page)) |
| @@ -329,23 +327,6 @@ static inline void get_page(struct page *page) | |||
| 329 | 327 | ||
| 330 | void put_page(struct page *page); | 328 | void put_page(struct page *page); |
| 331 | 329 | ||
| 332 | #else /* CONFIG_HUGETLB_PAGE */ | ||
| 333 | |||
| 334 | #define page_count(p) (atomic_read(&(p)->_count) + 1) | ||
| 335 | |||
| 336 | static inline void get_page(struct page *page) | ||
| 337 | { | ||
| 338 | atomic_inc(&page->_count); | ||
| 339 | } | ||
| 340 | |||
| 341 | static inline void put_page(struct page *page) | ||
| 342 | { | ||
| 343 | if (put_page_testzero(page)) | ||
| 344 | __page_cache_release(page); | ||
| 345 | } | ||
| 346 | |||
| 347 | #endif /* CONFIG_HUGETLB_PAGE */ | ||
| 348 | |||
| 349 | /* | 330 | /* |
| 350 | * Multiple processes may "see" the same page. E.g. for untouched | 331 | * Multiple processes may "see" the same page. E.g. for untouched |
| 351 | * mappings of /dev/null, all processes see the same page full of | 332 | * 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 f34767c5fc79..343083fec258 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); | |||
| 287 | #define ClearPageReclaim(page) clear_bit(PG_reclaim, &(page)->flags) | 287 | #define ClearPageReclaim(page) clear_bit(PG_reclaim, &(page)->flags) |
| 288 | #define TestClearPageReclaim(page) test_and_clear_bit(PG_reclaim, &(page)->flags) | 288 | #define TestClearPageReclaim(page) test_and_clear_bit(PG_reclaim, &(page)->flags) |
| 289 | 289 | ||
| 290 | #ifdef CONFIG_HUGETLB_PAGE | ||
| 291 | #define PageCompound(page) test_bit(PG_compound, &(page)->flags) | 290 | #define PageCompound(page) test_bit(PG_compound, &(page)->flags) |
| 292 | #else | ||
| 293 | #define PageCompound(page) 0 | ||
| 294 | #endif | ||
| 295 | #define SetPageCompound(page) set_bit(PG_compound, &(page)->flags) | 291 | #define SetPageCompound(page) set_bit(PG_compound, &(page)->flags) |
| 296 | #define ClearPageCompound(page) clear_bit(PG_compound, &(page)->flags) | 292 | #define ClearPageCompound(page) clear_bit(PG_compound, &(page)->flags) |
| 297 | 293 | ||
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index bd4de592dc23..23b84c4e1a57 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) | |||
| 148 | add_taint(TAINT_BAD_PAGE); | 148 | add_taint(TAINT_BAD_PAGE); |
| 149 | } | 149 | } |
| 150 | 150 | ||
| 151 | #ifndef CONFIG_HUGETLB_PAGE | ||
| 152 | #define prep_compound_page(page, order) do { } while (0) | ||
| 153 | #define destroy_compound_page(page, order) do { } while (0) | ||
| 154 | #else | ||
| 155 | /* | 151 | /* |
| 156 | * Higher-order pages are called "compound pages". They are structured thusly: | 152 | * Higher-order pages are called "compound pages". They are structured thusly: |
| 157 | * | 153 | * |
| @@ -205,7 +201,6 @@ static void destroy_compound_page(struct page *page, unsigned long order) | |||
| 205 | ClearPageCompound(p); | 201 | ClearPageCompound(p); |
| 206 | } | 202 | } |
| 207 | } | 203 | } |
| 208 | #endif /* CONFIG_HUGETLB_PAGE */ | ||
| 209 | 204 | ||
| 210 | /* | 205 | /* |
| 211 | * function for dealing with page's order in buddy system. | 206 | * function for dealing with page's order in buddy system. |
| @@ -34,8 +34,6 @@ | |||
| 34 | /* How many pages do we try to swap or page in/out together? */ | 34 | /* How many pages do we try to swap or page in/out together? */ |
| 35 | int page_cluster; | 35 | int page_cluster; |
| 36 | 36 | ||
| 37 | #ifdef CONFIG_HUGETLB_PAGE | ||
| 38 | |||
| 39 | void put_page(struct page *page) | 37 | void put_page(struct page *page) |
| 40 | { | 38 | { |
| 41 | if (unlikely(PageCompound(page))) { | 39 | if (unlikely(PageCompound(page))) { |
| @@ -52,7 +50,6 @@ void put_page(struct page *page) | |||
| 52 | __page_cache_release(page); | 50 | __page_cache_release(page); |
| 53 | } | 51 | } |
| 54 | EXPORT_SYMBOL(put_page); | 52 | EXPORT_SYMBOL(put_page); |
| 55 | #endif | ||
| 56 | 53 | ||
| 57 | /* | 54 | /* |
| 58 | * Writeback is about to end against a page which has been marked for immediate | 55 | * Writeback is about to end against a page which has been marked for immediate |
