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From: Baodong Chen <chenbaodong@mxnavi.com>
To: xen-devel@lists.xenproject.org
Cc: Stefano Stabellini <sstabellini@kernel.org>,
	Wei Liu <wei.liu2@citrix.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
	George Dunlap <George.Dunlap@eu.citrix.com>,
	Andrew Cooper <andrew.cooper3@citrix.com>,
	Ian Jackson <ian.jackson@eu.citrix.com>, Tim Deegan <tim@xen.org>,
	Julien Grall <julien.grall@arm.com>,
	Jan Beulich <jbeulich@suse.com>,
	Baodong Chen <chenbaodong@mxnavi.com>
Subject: [PATCH] xen: put cpupool's member 'n_dom' after 'cpupool_id'
Date: Fri, 31 May 2019 11:18:22 +0800	[thread overview]
Message-ID: <1559272702-13459-1-git-send-email-chenbaodong@mxnavi.com> (raw)

Thus, sizeof(struct cpupool) will save 8 bytes for 64-bit system.

Signed-off-by: Baodong Chen <chenbaodong@mxnavi.com>
---
 xen/include/xen/sched-if.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/include/xen/sched-if.h b/xen/include/xen/sched-if.h
index 92bc7a0..f0cf210 100644
--- a/xen/include/xen/sched-if.h
+++ b/xen/include/xen/sched-if.h
@@ -213,9 +213,9 @@ static inline void sched_free_domdata(const struct scheduler *s,
 struct cpupool
 {
     int              cpupool_id;
+    unsigned int     n_dom;
     cpumask_var_t    cpu_valid;      /* all cpus assigned to pool */
     struct cpupool   *next;
-    unsigned int     n_dom;
     struct scheduler *sched;
     atomic_t         refcnt;
 };
-- 
2.7.4


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https://lists.xenproject.org/mailman/listinfo/xen-devel

WARNING: multiple messages have this Message-ID (diff)
From: Baodong Chen <chenbaodong@mxnavi.com>
To: <xen-devel@lists.xenproject.org>
Cc: Stefano Stabellini <sstabellini@kernel.org>,
	Wei Liu <wei.liu2@citrix.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
	George Dunlap <George.Dunlap@eu.citrix.com>,
	Andrew Cooper <andrew.cooper3@citrix.com>,
	Ian Jackson <ian.jackson@eu.citrix.com>, Tim Deegan <tim@xen.org>,
	Julien Grall <julien.grall@arm.com>,
	Jan Beulich <jbeulich@suse.com>,
	Baodong Chen <chenbaodong@mxnavi.com>
Subject: [Xen-devel] [PATCH] xen: put cpupool's member 'n_dom' after 'cpupool_id'
Date: Fri, 31 May 2019 11:18:22 +0800	[thread overview]
Message-ID: <1559272702-13459-1-git-send-email-chenbaodong@mxnavi.com> (raw)
Message-ID: <20190531031822.pi9YpJFx_V8fWUUJ9fBUjisvpALLTys3GRqaQ3tM-gw@z> (raw)

Thus, sizeof(struct cpupool) will save 8 bytes for 64-bit system.

Signed-off-by: Baodong Chen <chenbaodong@mxnavi.com>
---
 xen/include/xen/sched-if.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/include/xen/sched-if.h b/xen/include/xen/sched-if.h
index 92bc7a0..f0cf210 100644
--- a/xen/include/xen/sched-if.h
+++ b/xen/include/xen/sched-if.h
@@ -213,9 +213,9 @@ static inline void sched_free_domdata(const struct scheduler *s,
 struct cpupool
 {
     int              cpupool_id;
+    unsigned int     n_dom;
     cpumask_var_t    cpu_valid;      /* all cpus assigned to pool */
     struct cpupool   *next;
-    unsigned int     n_dom;
     struct scheduler *sched;
     atomic_t         refcnt;
 };
-- 
2.7.4


_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xenproject.org
https://lists.xenproject.org/mailman/listinfo/xen-devel

             reply	other threads:[~2019-05-31  3:18 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-31  3:18 Baodong Chen [this message]
2019-05-31  3:18 ` [Xen-devel] [PATCH] xen: put cpupool's member 'n_dom' after 'cpupool_id' Baodong Chen
2019-05-31 10:52 ` Julien Grall
2019-05-31 10:52   ` [Xen-devel] " Julien Grall
2019-06-03  1:48   ` chenbaodong
2019-06-03  1:48     ` [Xen-devel] " chenbaodong
2019-06-03  9:30     ` Julien Grall
2019-06-03  9:30       ` [Xen-devel] " Julien Grall
2019-06-03 10:06       ` chenbaodong
2019-06-03 10:06         ` [Xen-devel] " chenbaodong
2019-06-17 15:19 ` Jan Beulich
2019-06-17 15:22   ` Juergen Gross

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