[Devel] [PATCH v2 06/13] slab: Add kmem_cache_gfp_flags() helper function.

[Suleiman Souhlal]

This function returns the gfp flags that are always applied to
allocations of a kmem_cache.

Signed-off-by: Suleiman Souhlal <suleiman at google.com>
---
 include/linux/slab_def.h |    6 ++++++
 include/linux/slob_def.h |    6 ++++++
 include/linux/slub_def.h |    6 ++++++
 3 files changed, 18 insertions(+), 0 deletions(-)

diff --git a/include/linux/slab_def.h b/include/linux/slab_def.h
index fbd1117..25f9a6a 100644
--- a/include/linux/slab_def.h
+++ b/include/linux/slab_def.h
@@ -159,6 +159,12 @@ found:
 	return __kmalloc(size, flags);
 }
 
+static inline gfp_t
+kmem_cache_gfp_flags(struct kmem_cache *cachep)
+{
+	return cachep->gfpflags;
+}
+
 #ifdef CONFIG_NUMA
 extern void *__kmalloc_node(size_t size, gfp_t flags, int node);
 extern void *kmem_cache_alloc_node(struct kmem_cache *, gfp_t flags, int node);
diff --git a/include/linux/slob_def.h b/include/linux/slob_def.h
index 0ec00b3..3fa527d 100644
--- a/include/linux/slob_def.h
+++ b/include/linux/slob_def.h
@@ -34,4 +34,10 @@ static __always_inline void *__kmalloc(size_t size, gfp_t flags)
 	return kmalloc(size, flags);
 }
 
+static inline gfp_t
+kmem_cache_gfp_flags(struct kmem_cache *cachep)
+{
+	return 0;
+}
+
 #endif /* __LINUX_SLOB_DEF_H */
diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
index a32bcfd..5911d81 100644
--- a/include/linux/slub_def.h
+++ b/include/linux/slub_def.h
@@ -313,4 +313,10 @@ static __always_inline void *kmalloc_node(size_t size, gfp_t flags, int node)
 }
 #endif
 
+static inline gfp_t
+kmem_cache_gfp_flags(struct kmem_cache *cachep)
+{
+	return cachep->allocflags;
+}
+
 #endif /* _LINUX_SLUB_DEF_H */
-- 
1.7.7.3