add some new kv[mz]alloc functions which introduced after v4.12
by this commit
commit a7c3e901a46ff54c016d040847eda598a9e3e653
Author: Michal Hocko <mhocko@xxxxxxxx>
Date: Mon May 8 15:57:09 2017 -0700
mm: introduce kv[mz]alloc helpers
Signed-off-by: AceLan Kao <acelan.kao@xxxxxxxxxxxxx>
---
backport/backport-include/linux/mm.h | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/backport/backport-include/linux/mm.h b/backport/backport-include/linux/mm.h
index 3234b37..8125310 100644
--- a/backport/backport-include/linux/mm.h
+++ b/backport/backport-include/linux/mm.h
@@ -123,4 +123,20 @@ static inline bool page_is_pfmemalloc(struct page *page)
}
#endif /* < 4.2 */
+#if LINUX_VERSION_IS_LESS(4,12,0)
+extern void *kvmalloc_node(size_t size, gfp_t flags, int node);
+static inline void *kvmalloc(size_t size, gfp_t flags)
+{
+ return kvmalloc_node(size, flags, NUMA_NO_NODE);
+}
+static inline void *kvzalloc_node(size_t size, gfp_t flags, int node)
+{
+ return kvmalloc_node(size, flags | __GFP_ZERO, node);
+}
+static inline void *kvzalloc(size_t size, gfp_t flags)
+{
+ return kvmalloc(size, flags | __GFP_ZERO);
+}
+#endif /* < 4.12.0 */
+
#endif /* __BACKPORT_MM_H */
--
2.7.4
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