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authorYunsheng Lin <linyunsheng@huawei.com>2024-10-28 14:53:39 +0300
committerJakub Kicinski <kuba@kernel.org>2024-11-11 21:56:27 +0300
commit3d18dfe69ce46f106af327736d2261d7e3ee81c0 (patch)
tree508012ac2ca4270f28b0eee0cceed9959c589dfd /include/linux
parent8218f62c9c9b283dd296a23ea8fbbd6be7bd5760 (diff)
downloadlinux-3d18dfe69ce46f106af327736d2261d7e3ee81c0.tar.xz
mm: page_frag: avoid caller accessing 'page_frag_cache' directly
Use appropriate frag_page API instead of caller accessing 'page_frag_cache' directly. CC: Andrew Morton <akpm@linux-foundation.org> CC: Linux-MM <linux-mm@kvack.org> Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com> Reviewed-by: Alexander Duyck <alexanderduyck@fb.com> Acked-by: Chuck Lever <chuck.lever@oracle.com> Link: https://patch.msgid.link/20241028115343.3405838-5-linyunsheng@huawei.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/page_frag_cache.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/page_frag_cache.h b/include/linux/page_frag_cache.h
index 67ac8626ed9b..0a52f7a179c8 100644
--- a/include/linux/page_frag_cache.h
+++ b/include/linux/page_frag_cache.h
@@ -7,6 +7,16 @@
#include <linux/mm_types_task.h>
#include <linux/types.h>
+static inline void page_frag_cache_init(struct page_frag_cache *nc)
+{
+ nc->va = NULL;
+}
+
+static inline bool page_frag_cache_is_pfmemalloc(struct page_frag_cache *nc)
+{
+ return !!nc->pfmemalloc;
+}
+
void page_frag_cache_drain(struct page_frag_cache *nc);
void __page_frag_cache_drain(struct page *page, unsigned int count);
void *__page_frag_alloc_align(struct page_frag_cache *nc, unsigned int fragsz,