diff options
Diffstat (limited to 'target/linux/generic/backport-4.9/042-mm-rename-__page_frag-functions-to-__page_frag_cache.patch')
| -rw-r--r-- | target/linux/generic/backport-4.9/042-mm-rename-__page_frag-functions-to-__page_frag_cache.patch | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/target/linux/generic/backport-4.9/042-mm-rename-__page_frag-functions-to-__page_frag_cache.patch b/target/linux/generic/backport-4.9/042-mm-rename-__page_frag-functions-to-__page_frag_cache.patch deleted file mode 100644 index 31b57167b4..0000000000 --- a/target/linux/generic/backport-4.9/042-mm-rename-__page_frag-functions-to-__page_frag_cache.patch +++ /dev/null @@ -1,79 +0,0 @@ -From: Alexander Duyck <alexander.h.duyck@intel.com> -Date: Tue, 10 Jan 2017 16:58:09 -0800 -Subject: [PATCH] mm: rename __page_frag functions to __page_frag_cache, drop - order from drain - -This patch does two things. - -First it goes through and renames the __page_frag prefixed functions to -__page_frag_cache so that we can be clear that we are draining or -refilling the cache, not the frags themselves. - -Second we drop the order parameter from __page_frag_cache_drain since we -don't actually need to pass it since all fragments are either order 0 or -must be a compound page. - -Link: http://lkml.kernel.org/r/20170104023954.13451.5678.stgit@localhost.localdomain -Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> -Signed-off-by: Andrew Morton <akpm@linux-foundation.org> -Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> ---- - ---- a/include/linux/gfp.h -+++ b/include/linux/gfp.h -@@ -506,8 +506,7 @@ extern void free_hot_cold_page(struct pa - extern void free_hot_cold_page_list(struct list_head *list, bool cold); - - struct page_frag_cache; --extern void __page_frag_drain(struct page *page, unsigned int order, -- unsigned int count); -+extern void __page_frag_cache_drain(struct page *page, unsigned int count); - extern void *page_frag_alloc(struct page_frag_cache *nc, - unsigned int fragsz, gfp_t gfp_mask); - extern void page_frag_free(void *addr); ---- a/mm/page_alloc.c -+++ b/mm/page_alloc.c -@@ -3914,8 +3914,8 @@ EXPORT_SYMBOL(free_pages); - * drivers to provide a backing region of memory for use as either an - * sk_buff->head, or to be used in the "frags" portion of skb_shared_info. - */ --static struct page *__page_frag_refill(struct page_frag_cache *nc, -- gfp_t gfp_mask) -+static struct page *__page_frag_cache_refill(struct page_frag_cache *nc, -+ gfp_t gfp_mask) - { - struct page *page = NULL; - gfp_t gfp = gfp_mask; -@@ -3935,19 +3935,20 @@ static struct page *__page_frag_refill(s - return page; - } - --void __page_frag_drain(struct page *page, unsigned int order, -- unsigned int count) -+void __page_frag_cache_drain(struct page *page, unsigned int count) - { - VM_BUG_ON_PAGE(page_ref_count(page) == 0, page); - - if (page_ref_sub_and_test(page, count)) { -+ unsigned int order = compound_order(page); -+ - if (order == 0) - free_hot_cold_page(page, false); - else - __free_pages_ok(page, order); - } - } --EXPORT_SYMBOL(__page_frag_drain); -+EXPORT_SYMBOL(__page_frag_cache_drain); - - void *page_frag_alloc(struct page_frag_cache *nc, - unsigned int fragsz, gfp_t gfp_mask) -@@ -3958,7 +3959,7 @@ void *page_frag_alloc(struct page_frag_c - - if (unlikely(!nc->va)) { - refill: -- page = __page_frag_refill(nc, gfp_mask); -+ page = __page_frag_cache_refill(nc, gfp_mask); - if (!page) - return NULL; - |