From: Jan Beulich <jbeulich@suse.com>
Date: Thu, 1 Jun 2017 08:48:04 +0000 (+0200)
Subject: x86/MSI: improve memory usage in struct msi_desc
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=ea362dd8da3981a29fe2ab64b377b2e8ab50db71;p=people%2Froyger%2Fxen.git

x86/MSI: improve memory usage in struct msi_desc

There's no reason to have both a 4-byte hole and 4 bytes of tail
padding.

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>
---

diff --git a/xen/include/asm-x86/msi.h b/xen/include/asm-x86/msi.h
index a5de6a1328..213ee53f72 100644
--- a/xen/include/asm-x86/msi.h
+++ b/xen/include/asm-x86/msi.h
@@ -119,10 +119,9 @@ struct msi_desc {
 	};
 	struct pci_dev *dev;
 	int irq;
+	int remap_index;		/* index in interrupt remapping table */
 
 	struct msi_msg msg;		/* Last set MSI message */
-
-	int remap_index;		/* index in interrupt remapping table */
 };
 
 /*