Hi,
I have encountered the same error as well. We need to move the forward
declaration up outside of CONFIG_NUMA:
---
>From debe263e8a11322cbb9d39fe2eb110a521333343 Mon Sep 17 00:00:00 2001
From: Michal Hocko <mhocko@xxxxxxx>
Date: Thu, 6 Nov 2014 10:05:27 +0100
Subject: [PATCH]
slab-recharge-slab-pages-to-the-allocating-memory-cgroup-fix.patch
MIME-Version: 1.0
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Move forward declaration of slab_free to make it available for
!CONFIG_NUMA:
mm/slab.c:3260:4: error: implicit declaration of function ‘slab_free’ [-Werror=implicit-function-declaration]
slab_free(cachep, objp);
^
mm/slab.c: At top level:
mm/slab.c:3534:20: warning: conflicting types for ‘slab_free’ [enabled by default]
static inline void slab_free(struct kmem_cache *cachep, void *objp)
^
mm/slab.c:3534:20: error: static declaration of ‘slab_free’ follows non-static declaration
mm/slab.c:3260:4: note: previous implicit declaration of ‘slab_free’ was here
slab_free(cachep, objp);
Signed-off-by: Michal Hocko <mhocko@xxxxxxx>
---
mm/slab.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/mm/slab.c b/mm/slab.c
index 61b01c2ae1d9..00cd028404cb 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -2961,6 +2961,8 @@ out:
return objp;
}
+static __always_inline void slab_free(struct kmem_cache *cachep, void *objp);
+
#ifdef CONFIG_NUMA
/*
* Try allocating on another node if PFA_SPREAD_SLAB is a mempolicy is set.
@@ -3133,8 +3135,6 @@ done:
return obj;
}
-static __always_inline void slab_free(struct kmem_cache *cachep, void *objp);
-
static __always_inline void *
slab_alloc_node(struct kmem_cache *cachep, gfp_t flags, int nodeid,
unsigned long caller)
--
2.1.1
--
Michal Hocko
SUSE Labs
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