2006-09-24 15:13:19 +00:00
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#ifndef __LINUX_MAGIC_H__
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#define __LINUX_MAGIC_H__
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#define ADFS_SUPER_MAGIC 0xadf5
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#define AFFS_SUPER_MAGIC 0xadff
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2007-01-06 00:36:17 +00:00
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#define AFS_SUPER_MAGIC 0x5346414F
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2006-09-24 15:13:19 +00:00
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#define AUTOFS_SUPER_MAGIC 0x0187
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#define CODA_SUPER_MAGIC 0x73757245
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2009-05-26 09:45:04 +00:00
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#define CRAMFS_MAGIC 0x28cd3d45 /* some random number */
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#define CRAMFS_MAGIC_WEND 0x453dcd28 /* magic number with the wrong endianess */
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2008-10-07 18:00:12 +00:00
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#define DEBUGFS_MAGIC 0x64626720
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#define SYSFS_MAGIC 0x62656572
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#define SECURITYFS_MAGIC 0x73636673
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2009-05-18 14:26:10 +00:00
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#define SELINUX_MAGIC 0xf97cff8c
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2009-09-22 23:45:53 +00:00
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#define RAMFS_MAGIC 0x858458f6 /* some random number */
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2008-10-07 18:00:12 +00:00
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#define TMPFS_MAGIC 0x01021994
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2009-09-22 23:43:33 +00:00
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#define HUGETLBFS_MAGIC 0x958458f6 /* some random number */
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2009-01-15 21:51:03 +00:00
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#define SQUASHFS_MAGIC 0x73717368
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2010-11-03 10:11:15 +00:00
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#define ECRYPTFS_SUPER_MAGIC 0xf15f
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2006-09-24 15:13:19 +00:00
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#define EFS_SUPER_MAGIC 0x414A53
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#define EXT2_SUPER_MAGIC 0xEF53
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#define EXT3_SUPER_MAGIC 0xEF53
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2009-01-08 02:07:11 +00:00
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#define XENFS_SUPER_MAGIC 0xabba1974
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2006-10-11 08:20:56 +00:00
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#define EXT4_SUPER_MAGIC 0xEF53
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2009-01-15 21:51:03 +00:00
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#define BTRFS_SUPER_MAGIC 0x9123683E
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2011-03-10 07:54:15 +00:00
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#define NILFS_SUPER_MAGIC 0x3434
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2006-09-24 15:13:19 +00:00
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#define HPFS_SUPER_MAGIC 0xf995e849
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#define ISOFS_SUPER_MAGIC 0x9660
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#define JFFS2_SUPER_MAGIC 0x72b6
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2007-05-11 05:23:11 +00:00
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#define ANON_INODE_FS_MAGIC 0x09041934
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2010-12-28 22:25:21 +00:00
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#define PSTOREFS_MAGIC 0x6165676C
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2006-09-24 15:13:19 +00:00
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2011-11-02 20:37:58 +00:00
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#define MINIX_SUPER_MAGIC 0x137F /* minix v1 fs, 14 char names */
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#define MINIX_SUPER_MAGIC2 0x138F /* minix v1 fs, 30 char names */
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#define MINIX2_SUPER_MAGIC 0x2468 /* minix v2 fs, 14 char names */
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#define MINIX2_SUPER_MAGIC2 0x2478 /* minix v2 fs, 30 char names */
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#define MINIX3_SUPER_MAGIC 0x4d5a /* minix v3 fs, 60 char names */
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2006-09-24 15:13:19 +00:00
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#define MSDOS_SUPER_MAGIC 0x4d44 /* MD */
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#define NCP_SUPER_MAGIC 0x564c /* Guess, what 0x564c is :-) */
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#define NFS_SUPER_MAGIC 0x6969
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#define OPENPROM_SUPER_MAGIC 0x9fa1
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#define PROC_SUPER_MAGIC 0x9fa0
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#define QNX4_SUPER_MAGIC 0x002f /* qnx4 fs detection */
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#define REISERFS_SUPER_MAGIC 0x52654973 /* used by gcc */
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/* used by file system utilities that
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look at the superblock, etc. */
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#define REISERFS_SUPER_MAGIC_STRING "ReIsErFs"
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#define REISER2FS_SUPER_MAGIC_STRING "ReIsEr2Fs"
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#define REISER2FS_JR_SUPER_MAGIC_STRING "ReIsEr3Fs"
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#define SMB_SUPER_MAGIC 0x517B
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#define USBDEVICE_SUPER_MAGIC 0x9fa2
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Task Control Groups: basic task cgroup framework
Generic Process Control Groups
--------------------------
There have recently been various proposals floating around for
resource management/accounting and other task grouping subsystems in
the kernel, including ResGroups, User BeanCounters, NSProxy
cgroups, and others. These all need the basic abstraction of being
able to group together multiple processes in an aggregate, in order to
track/limit the resources permitted to those processes, or control
other behaviour of the processes, and all implement this grouping in
different ways.
This patchset provides a framework for tracking and grouping processes
into arbitrary "cgroups" and assigning arbitrary state to those
groupings, in order to control the behaviour of the cgroup as an
aggregate.
The intention is that the various resource management and
virtualization/cgroup efforts can also become task cgroup
clients, with the result that:
- the userspace APIs are (somewhat) normalised
- it's easier to test e.g. the ResGroups CPU controller in
conjunction with the BeanCounters memory controller, or use either of
them as the resource-control portion of a virtual server system.
- the additional kernel footprint of any of the competing resource
management systems is substantially reduced, since it doesn't need
to provide process grouping/containment, hence improving their
chances of getting into the kernel
This patch:
Add the main task cgroups framework - the cgroup filesystem, and the
basic structures for tracking membership and associating subsystem state
objects to tasks.
Signed-off-by: Paul Menage <menage@google.com>
Cc: Serge E. Hallyn <serue@us.ibm.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Dave Hansen <haveblue@us.ibm.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: Paul Jackson <pj@sgi.com>
Cc: Kirill Korotaev <dev@openvz.org>
Cc: Herbert Poetzl <herbert@13thfloor.at>
Cc: Srivatsa Vaddagiri <vatsa@in.ibm.com>
Cc: Cedric Le Goater <clg@fr.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-19 06:39:30 +00:00
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#define CGROUP_SUPER_MAGIC 0x27e0eb
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2006-09-24 15:13:19 +00:00
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2007-10-17 06:30:13 +00:00
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#define FUTEXFS_SUPER_MAGIC 0xBAD1DEA
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2008-04-22 21:38:23 +00:00
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#define STACK_END_MAGIC 0x57AC6E9D
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2009-09-22 23:43:33 +00:00
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#define DEVPTS_SUPER_MAGIC 0x1cd1
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#define SOCKFS_MAGIC 0x534F434B
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2010-09-27 08:47:24 +00:00
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#define V9FS_MAGIC 0x01021997
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2009-09-22 23:43:33 +00:00
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2006-09-24 15:13:19 +00:00
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#endif /* __LINUX_MAGIC_H__ */
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