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From: Andrew Morton <akpm@linux-foundation.org>
To: mm-commits@vger.kernel.org, willy@infradead.org,
	Liam.Howlett@oracle.com, mjguzik@gmail.com,
	akpm@linux-foundation.org
Subject: + maple_tree-shrink-struct-maple_tree-from-24-to-16-bytes-on-lp64.patch added to mm-unstable branch
Date: Tue, 22 Aug 2023 11:44:54 -0700	[thread overview]
Message-ID: <20230822184454.D1B73C433C7@smtp.kernel.org> (raw)


The patch titled
     Subject: maple_tree: shrink struct maple_tree from 24 to 16 bytes on LP64
has been added to the -mm mm-unstable branch.  Its filename is
     maple_tree-shrink-struct-maple_tree-from-24-to-16-bytes-on-lp64.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/maple_tree-shrink-struct-maple_tree-from-24-to-16-bytes-on-lp64.patch

This patch will later appear in the mm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***

The -mm tree is included into linux-next via the mm-everything
branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there every 2-3 working days

------------------------------------------------------
From: Mateusz Guzik <mjguzik@gmail.com>
Subject: maple_tree: shrink struct maple_tree from 24 to 16 bytes on LP64
Date: Tue, 22 Aug 2023 00:51:45 +0200

by plugging a padding hole.

Link: https://lkml.kernel.org/r/20230821225145.2169848-1-mjguzik@gmail.com
Signed-off-by: Mateusz Guzik <mjguzik@gmail.com>
Reviewed-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Cc: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 include/linux/maple_tree.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/include/linux/maple_tree.h~maple_tree-shrink-struct-maple_tree-from-24-to-16-bytes-on-lp64
+++ a/include/linux/maple_tree.h
@@ -220,8 +220,8 @@ struct maple_tree {
 		spinlock_t	ma_lock;
 		lockdep_map_p	ma_external_lock;
 	};
-	void __rcu      *ma_root;
 	unsigned int	ma_flags;
+	void __rcu      *ma_root;
 };
 
 /**
_

Patches currently in -mm which might be from mjguzik@gmail.com are

maple_tree-shrink-struct-maple_tree-from-24-to-16-bytes-on-lp64.patch


             reply	other threads:[~2023-08-22 18:44 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-08-22 18:44 Andrew Morton [this message]
2023-08-22 18:49 ` + maple_tree-shrink-struct-maple_tree-from-24-to-16-bytes-on-lp64.patch added to mm-unstable branch Matthew Wilcox
2023-08-22 18:57   ` Mateusz Guzik
2023-08-22 19:01     ` Matthew Wilcox
2023-08-22 19:33   ` Andrew Morton

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