From: Lars-Peter Clausen <lars@metafoo.de>
Date: Mon, 27 Apr 2015 10:20:28 +0000 (+0200)
Subject: ALSA: Close holes in struct snd_pcm_hw_rule
X-Git-Tag: v4.2-rc1~109^2~111^2~2
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=d16efa0626bfd11157d4a622a24aaae98435f26d;p=karo-tx-linux.git

ALSA: Close holes in struct snd_pcm_hw_rule

On a 64-bit system there are two 32-bit holes due to the alignment of 64-bit
fields. Reordering things slightly gets rid of those holes, reducing the
size of the struct by 17% percent of its original size.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---

diff --git a/include/sound/pcm.h b/include/sound/pcm.h
index 0cb7f3f5df7b..d632809d9425 100644
--- a/include/sound/pcm.h
+++ b/include/sound/pcm.h
@@ -224,9 +224,10 @@ typedef int (*snd_pcm_hw_rule_func_t)(struct snd_pcm_hw_params *params,
 
 struct snd_pcm_hw_rule {
 	unsigned int cond;
-	snd_pcm_hw_rule_func_t func;
 	int var;
 	int deps[4];
+
+	snd_pcm_hw_rule_func_t func;
 	void *private;
 };