From 37a838c64e712b77bf5c209dbda02f883d8d5b09 Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Thu, 3 Jan 2008 19:33:50 -0800
Subject: [PATCH] --- yaml --- r: 75263 b: refs/heads/master c:
 9de4dfb4c7176e5bb232a21cdd8df78da2b15cac h: refs/heads/master i:   75261:
 20d21c1cc688c5cbd11189945642ce5f6849cffd   75259:
 618e213f25b9830a1aa6b253072a0413cc4e5a14   75255:
 60829fac38715578d935fc29b23ef33339f857e3   75247:
 3cb68064e29376b5f078c9b8598b0f37ac9ccba6   75231:
 c6c90c0a559734fd343451bf55485622758800c0   75199:
 fdf0e9646918425072557b64ac0e46e8272fb312   75135:
 1f3b55579f5ab8cc173ac9ec6525711b2bf00b9b   75007:
 ad0787fb088df0880d45bc089ee785c10d591df1   74751:
 457e822d40f2dce559350c27c3fe8d73daa215fd v: v3

---
 [refs]                      |  2 +-
 trunk/drivers/net/cassini.c | 36 ++++--------------------------------
 2 files changed, 5 insertions(+), 33 deletions(-)

diff --git a/[refs] b/[refs]
index 2688337238fd..964fb1cde696 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e5e025401f6e926c1d9dc3f3f2813cf98a2d8708
+refs/heads/master: 9de4dfb4c7176e5bb232a21cdd8df78da2b15cac
diff --git a/trunk/drivers/net/cassini.c b/trunk/drivers/net/cassini.c
index 9030ca54a5bd..9c77eadb6767 100644
--- a/trunk/drivers/net/cassini.c
+++ b/trunk/drivers/net/cassini.c
@@ -336,30 +336,6 @@ static inline void cas_mask_intr(struct cas *cp)
 		cas_disable_irq(cp, i);
 }
 
-static inline void cas_buffer_init(cas_page_t *cp)
-{
-	struct page *page = cp->buffer;
-	atomic_set((atomic_t *)&page->lru.next, 1);
-}
-
-static inline int cas_buffer_count(cas_page_t *cp)
-{
-	struct page *page = cp->buffer;
-	return atomic_read((atomic_t *)&page->lru.next);
-}
-
-static inline void cas_buffer_inc(cas_page_t *cp)
-{
-	struct page *page = cp->buffer;
-	atomic_inc((atomic_t *)&page->lru.next);
-}
-
-static inline void cas_buffer_dec(cas_page_t *cp)
-{
-	struct page *page = cp->buffer;
-	atomic_dec((atomic_t *)&page->lru.next);
-}
-
 static void cas_enable_irq(struct cas *cp, const int ring)
 {
 	if (ring == 0) { /* all but TX_DONE */
@@ -497,7 +473,6 @@ static int cas_page_free(struct cas *cp, cas_page_t *page)
 {
 	pci_unmap_page(cp->pdev, page->dma_addr, cp->page_size,
 		       PCI_DMA_FROMDEVICE);
-	cas_buffer_dec(page);
 	__free_pages(page->buffer, cp->page_order);
 	kfree(page);
 	return 0;
@@ -527,7 +502,6 @@ static cas_page_t *cas_page_alloc(struct cas *cp, const gfp_t flags)
 	page->buffer = alloc_pages(flags, cp->page_order);
 	if (!page->buffer)
 		goto page_err;
-	cas_buffer_init(page);
 	page->dma_addr = pci_map_page(cp->pdev, page->buffer, 0,
 				      cp->page_size, PCI_DMA_FROMDEVICE);
 	return page;
@@ -606,7 +580,7 @@ static void cas_spare_recover(struct cas *cp, const gfp_t flags)
 	list_for_each_safe(elem, tmp, &list) {
 		cas_page_t *page = list_entry(elem, cas_page_t, list);
 
-		if (cas_buffer_count(page) > 1)
+		if (page_count(page->buffer) > 1)
 			continue;
 
 		list_del(elem);
@@ -1374,7 +1348,7 @@ static inline cas_page_t *cas_page_spare(struct cas *cp, const int index)
 	cas_page_t *page = cp->rx_pages[1][index];
 	cas_page_t *new;
 
-	if (cas_buffer_count(page) == 1)
+	if (page_count(page->buffer) == 1)
 		return page;
 
 	new = cas_page_dequeue(cp);
@@ -1394,7 +1368,7 @@ static cas_page_t *cas_page_swap(struct cas *cp, const int ring,
 	cas_page_t **page1 = cp->rx_pages[1];
 
 	/* swap if buffer is in use */
-	if (cas_buffer_count(page0[index]) > 1) {
+	if (page_count(page0[index]->buffer) > 1) {
 		cas_page_t *new = cas_page_spare(cp, index);
 		if (new) {
 			page1[index] = page0[index];
@@ -2066,7 +2040,6 @@ static int cas_rx_process_pkt(struct cas *cp, struct cas_rx_comp *rxc,
 		skb->len      += hlen - swivel;
 
 		get_page(page->buffer);
-		cas_buffer_inc(page);
 		frag->page = page->buffer;
 		frag->page_offset = off;
 		frag->size = hlen - swivel;
@@ -2091,7 +2064,6 @@ static int cas_rx_process_pkt(struct cas *cp, struct cas_rx_comp *rxc,
 			frag++;
 
 			get_page(page->buffer);
-			cas_buffer_inc(page);
 			frag->page = page->buffer;
 			frag->page_offset = 0;
 			frag->size = hlen;
@@ -2255,7 +2227,7 @@ static int cas_post_rxds_ringN(struct cas *cp, int ring, int num)
 	released = 0;
 	while (entry != last) {
 		/* make a new buffer if it's still in use */
-		if (cas_buffer_count(page[entry]) > 1) {
+		if (page_count(page[entry]->buffer) > 1) {
 			cas_page_t *new = cas_page_dequeue(cp);
 			if (!new) {
 				/* let the timer know that we need to