linux-kernel - [PATCH 05/11] staging: gasket: page_table: rearrange gasket_page_table

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Message-Id: <20181015045927.156790-6-toddpoynor@gmail.com>
Date:   Sun, 14 Oct 2018 21:59:21 -0700
From:   Todd Poynor <toddpoynor@...il.com>
To:     Rob Springer <rspringer@...gle.com>,
        Ben Chan <benchan@...omium.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
        Nick Ewalt <nicholasewalt@...gle.com>,
        Todd Poynor <toddpoynor@...gle.com>
Subject: [PATCH 05/11] staging: gasket: page_table: rearrange gasket_page_table_entry

From: Nick Ewalt <nicholasewalt@...gle.com>

Rearrange gasket_page_table entry to reduce padding slop.

Signed-off-by: Nick Ewalt <nicholasewalt@...gle.com>
Signed-off-by: Todd Poynor <toddpoynor@...gle.com>
---
 drivers/staging/gasket/gasket_page_table.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/gasket/gasket_page_table.c b/drivers/staging/gasket/gasket_page_table.c
index d2e115d2dba30..9c2f8671216b5 100644
--- a/drivers/staging/gasket/gasket_page_table.c
+++ b/drivers/staging/gasket/gasket_page_table.c
@@ -103,12 +103,6 @@ struct gasket_page_table_entry {
 	/* The status of this entry/slot: free or in use. */
 	enum pte_status status;
 
-	/* Address of the page in DMA space. */
-	dma_addr_t dma_addr;
-
-	/* Linux page descriptor for the page described by this structure. */
-	struct page *page;
-
 	/*
 	 * Index for alignment into host vaddrs.
 	 * When a user specifies a host address for a mapping, that address may
@@ -119,6 +113,12 @@ struct gasket_page_table_entry {
 	 */
 	int offset;
 
+	/* Address of the page in DMA space. */
+	dma_addr_t dma_addr;
+
+	/* Linux page descriptor for the page described by this structure. */
+	struct page *page;
+
 	/*
 	 * If this is an extended and first-level entry, sublevel points
 	 * to the second-level entries underneath this entry.
-- 
2.19.0.605.g01d371f741-goog