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From: Todd Poynor <toddpoynor@gmail.com>
To: Rob Springer <rspringer@google.com>,
	Ben Chan <benchan@chromium.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org,
	Nick Ewalt <nicholasewalt@google.com>,
	Todd Poynor <toddpoynor@google.com>
Subject: [PATCH 05/11] staging: gasket: page_table: rearrange gasket_page_table_entry
Date: Sun, 14 Oct 2018 21:59:21 -0700	[thread overview]
Message-ID: <20181015045927.156790-6-toddpoynor@gmail.com> (raw)
In-Reply-To: <20181015045927.156790-1-toddpoynor@gmail.com>

From: Nick Ewalt <nicholasewalt@google.com>

Rearrange gasket_page_table entry to reduce padding slop.

Signed-off-by: Nick Ewalt <nicholasewalt@google.com>
Signed-off-by: Todd Poynor <toddpoynor@google.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


  parent reply	other threads:[~2018-10-15  5:00 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-15  4:59 [PATCH 00/11] staging: gasket: fixes Todd Poynor
2018-10-15  4:59 ` [PATCH 01/11] staging: gasket: core: debug log updates Todd Poynor
2018-10-15  7:34   ` Greg Kroah-Hartman
2018-10-15 20:33     ` Todd Poynor
2018-10-15  4:59 ` [PATCH 02/11] staging: gasket: page table: return valid error code on map fail Todd Poynor
2018-10-15  4:59 ` [PATCH 03/11] staging: gasket: page table: remove dead code in coherent mem alloc Todd Poynor
2018-10-15  4:59 ` [PATCH 04/11] staging: gasket: page_table: remove unnecessary PTE status set to free Todd Poynor
2018-10-15  4:59 ` Todd Poynor [this message]
2018-10-15  7:37   ` [PATCH 05/11] staging: gasket: page_table: rearrange gasket_page_table_entry Greg Kroah-Hartman
2018-10-15  4:59 ` [PATCH 06/11] staging: gasket: page table: fixup error path allocating coherent mem Todd Poynor
2018-10-15  4:59 ` [PATCH 07/11] staging: gasket: page_table: fix comment in components_to_dev_address Todd Poynor
2018-10-15  4:59 ` [PATCH 08/11] staging: gasket: page_table: simplify gasket_components_to_dev_address Todd Poynor
2018-10-15  4:59 ` [PATCH 09/11] staging: gasket: apex: fix sysfs_show Todd Poynor
2018-10-15  4:59 ` [PATCH 10/11] staging: gasket: sysfs: fix attribute release comment Todd Poynor
2018-10-15  4:59 ` [PATCH 11/11] staging: gasket: Update device virtual address comment Todd Poynor
2018-10-15  7:33 ` [PATCH 00/11] staging: gasket: fixes Greg Kroah-Hartman
2018-10-15 10:19   ` Todd Poynor
2018-10-15 10:29 ` Christoph Hellwig
2018-10-15 10:35   ` Greg Kroah-Hartman

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