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Commit d8c0fca6 authored by Richard Kennedy's avatar Richard Kennedy Committed by Eric Paris
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fsnotify: remove alignment padding from fsnotify_mark on 64 bit builds 



Reorder struct fsnotfiy_mark to remove 8 bytes of alignment padding on 64
bit builds.  Shrinks fsnotfiy_mark to 128 bytes allowing more objects per
slab in its kmem_cache and reduces the number of cachelines needed for
each structure.

Signed-off-by: default avatarRichard Kennedy <richard@rsk.demon.co.uk>
Cc: Eric Paris <eparis@redhat.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarEric Paris <eparis@redhat.com>
parent 19ba54f4

include/linux/fsnotify_backend.h

+1 −1
Original line number Diff line number Diff line
@@ -287,8 +287,8 @@ struct fsnotify_mark { 
		struct fsnotify_inode_mark i;

		struct fsnotify_vfsmount_mark m;

	};

	__u32 ignored_mask;		/* events types to ignore */

	struct list_head free_g_list;	/* tmp list used when freeing this mark */

	__u32 ignored_mask;		/* events types to ignore */

#define FSNOTIFY_MARK_FLAG_INODE		0x01

#define FSNOTIFY_MARK_FLAG_VFSMOUNT		0x02

#define FSNOTIFY_MARK_FLAG_OBJECT_PINNED	0x04