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From:   Olaf Hering <olaf@aepfle.de>
To:     linux-hyperv@vger.kernel.org, linux-arch@vger.kernel.org,
        linux-kernel@vger.kernel.org
Cc:     "K. Y. Srinivasan" <kys@microsoft.com>,
        Haiyang Zhang <haiyangz@microsoft.com>,
        Wei Liu <wei.liu@kernel.org>, Dexuan Cui <decui@microsoft.com>,
        Arnd Bergmann <arnd@arndb.de>
Subject: [PATCH v1] hyperv: reduce size of ms_hyperv_info
Date:   Mon, 18 Sep 2023 18:01:40 +0200
Message-Id: <20230918160141.23465-1-olaf@aepfle.de>
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Use the hole prior shared_gpa_boundary to store the result of get_vtl.
This reduces the size by 8 bytes.

Signed-off-by: Olaf Hering <olaf@aepfle.de>
---
 include/asm-generic/mshyperv.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/asm-generic/mshyperv.h b/include/asm-generic/mshyperv.h
index cecd2b7bd033..bdee5fbaaf40 100644
--- a/include/asm-generic/mshyperv.h
+++ b/include/asm-generic/mshyperv.h
@@ -53,8 +53,8 @@ struct ms_hyperv_info {
 			u32 reserved_b2 : 20;
 		};
 	};
-	u64 shared_gpa_boundary;
 	u8 vtl;
+	u64 shared_gpa_boundary;
 };
 extern struct ms_hyperv_info ms_hyperv;
 extern bool hv_nested;