From: David Sterba <dsterba@suse.cz>
Date: Mon, 28 Jul 2008 14:53:27 +0000 (+0200)
Subject: ipwireless: Put packets to pool start
X-Git-Tag: v2.6.27-rc1~39
X-Git-Url: http://git.sourceforge.jp/view?a=commitdiff_plain;h=0f38c47a545d36da4038fec0708e6e3fbdb160b1;p=linux-kernel-docs%2Flinux-2.6.git

ipwireless: Put packets to pool start

ipwireless: Put packets to pool start

Put packets to pool start, try to reuse cached memory.

Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/drivers/char/pcmcia/ipwireless/hardware.c b/drivers/char/pcmcia/ipwireless/hardware.c
index 814ea3228c..d1e69de191 100644
--- a/drivers/char/pcmcia/ipwireless/hardware.c
+++ b/drivers/char/pcmcia/ipwireless/hardware.c
@@ -563,9 +563,9 @@ static struct ipw_rx_packet *pool_allocate(struct ipw_hardware *hw,
 		if (!list_empty(&hw->rx_pool)) {
 			packet = list_first_entry(&hw->rx_pool,
 					struct ipw_rx_packet, queue);
-			list_del(&packet->queue);
 			hw->rx_pool_size--;
 			spin_unlock_irqrestore(&hw->lock, flags);
+			list_del(&packet->queue);
 		} else {
 			static int min_capacity = 256;
 			int new_capacity;
@@ -610,7 +610,7 @@ static void pool_free(struct ipw_hardware *hw, struct ipw_rx_packet *packet)
 		kfree(packet);
 	else {
 		hw->rx_pool_size++;
-		list_add_tail(&packet->queue, &hw->rx_pool);
+		list_add(&packet->queue, &hw->rx_pool);
 	}
 }