netdev - [PATCH] net: access page->private by using page

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Date:	Fri, 12 Jul 2013 16:17:23 +0900
From:	Sunghan Suh <sunghan.suh@...sung.com>
To:	netdev@...r.kernel.org, davem@...emloft.net
Cc:	Sunghan Suh <sunghan.suh@...sung.com>
Subject: [PATCH] net: access page->private by using page_private

Signed-off-by: Sunghan Suh <sunghan.suh@...sung.com>
---
 net/core/skbuff.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 77971a3..286607b 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -823,7 +823,7 @@ int skb_copy_ubufs(struct sk_buff *skb, gfp_t gfp_mask)
 		page = alloc_page(gfp_mask);
 		if (!page) {
 			while (head) {
-				struct page *next = (struct page *)head->private;
+				struct page *next = (struct page *)page_private(head);
 				put_page(head);
 				head = next;
 			}
@@ -833,7 +833,7 @@ int skb_copy_ubufs(struct sk_buff *skb, gfp_t gfp_mask)
 		memcpy(page_address(page),
 		       vaddr + f->page_offset, skb_frag_size(f));
 		kunmap_atomic(vaddr);
-		page->private = (unsigned long)head;
+		set_page_private(page, (unsigned long)head);
 		head = page;
 	}
 
@@ -847,7 +847,7 @@ int skb_copy_ubufs(struct sk_buff *skb, gfp_t gfp_mask)
 	for (i = num_frags - 1; i >= 0; i--) {
 		__skb_fill_page_desc(skb, i, head, 0,
 				     skb_shinfo(skb)->frags[i].size);
-		head = (struct page *)head->private;
+		head = (struct page *)page_private(head);
 	}
 
 	skb_shinfo(skb)->tx_flags &= ~SKBTX_DEV_ZEROCOPY;
-- 
1.8.1.2

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