This patch makes the function __netdev_alloc_frag() non-static and
exports it so that drivers that need to specify additional flags,
such as __GFP_DMA, can use it. The currently exported function,
netdev_alloc_frag() doesn't allow passing in gfp_mask flags.
Signed-off-by: WingMan Kwok <w-kw...@ti.com>
Signed-off-by: Reece R. Pollack <x0183...@ti.com>
---
include/linux/skbuff.h | 1 +
net/core/skbuff.c | 3 ++-
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index d6cdd6e..596deb3 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -2139,6 +2139,7 @@ static inline void __skb_queue_purge(struct sk_buff_head
*list)
kfree_skb(skb);
}
+void *__netdev_alloc_frag(unsigned int fragsz, gfp_t gfp_mask);
void *netdev_alloc_frag(unsigned int fragsz);
struct sk_buff *__netdev_alloc_skb(struct net_device *dev, unsigned int length,
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index b6a19ca..6f3451f 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -350,7 +350,7 @@ EXPORT_SYMBOL(build_skb);
static DEFINE_PER_CPU(struct page_frag_cache, netdev_alloc_cache);
static DEFINE_PER_CPU(struct page_frag_cache, napi_alloc_cache);
-static void *__netdev_alloc_frag(unsigned int fragsz, gfp_t gfp_mask)
+void *__netdev_alloc_frag(unsigned int fragsz, gfp_t gfp_mask)
{
struct page_frag_cache *nc;
unsigned long flags;
@@ -362,6 +362,7 @@ static void *__netdev_alloc_frag(unsigned int fragsz, gfp_t
gfp_mask)
local_irq_restore(flags);
return data;
}
+EXPORT_SYMBOL(__netdev_alloc_frag);
/**
* netdev_alloc_frag - allocate a page fragment
--
1.7.9.5
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