linux-kernel - [PATCH 11/12] ipwireless: Put packets to pool start

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Message-ID: <20080728145326.13378.6245.stgit@ds.suse.cz>
Date:	Mon, 28 Jul 2008 16:53:27 +0200
From:	David Sterba <dsterba@...e.cz>
To:	torvalds@...ux-foundation.org
Cc:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	jkosina@...e.cz, dsterba@...e.cz
Subject: [PATCH 11/12] 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@...e.cz>
Signed-off-by: Jiri Kosina <jkosina@...e.cz>
---

 drivers/char/pcmcia/ipwireless/hardware.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/char/pcmcia/ipwireless/hardware.c b/drivers/char/pcmcia/ipwireless/hardware.c
index 814ea32..d1e69de 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);
 	}
 }
 

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