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Diffstat (limited to '')
| -rw-r--r-- | mm/page_alloc.c | 27 |
1 files changed, 0 insertions, 27 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index a6d298623a6d..96060d3c53d9 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -2300,33 +2300,6 @@ int __isolate_free_page(struct page *page, unsigned int order) } /* - * Similar to split_page except the page is already free. As this is only - * being used for migration, the migratetype of the block also changes. - * As this is called with interrupts disabled, the caller is responsible - * for calling arch_alloc_page() and kernel_map_page() after interrupts - * are enabled. - * - * Note: this is probably too low level an operation for use in drivers. - * Please consult with lkml before using this in your driver. - */ -int split_free_page(struct page *page) -{ - unsigned int order; - int nr_pages; - - order = page_order(page); - - nr_pages = __isolate_free_page(page, order); - if (!nr_pages) - return 0; - - /* Split into individual pages */ - set_page_refcounted(page); - split_page(page, order); - return nr_pages; -} - -/* * Allocate a page from the given zone. Use pcplists for order-0 allocations. */ static inline |