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Task Control Groups: make cpusets a client of cgroups

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Remove the filesystem support logic from the cpusets system and makes cpusets
a cgroup subsystem

The "cpuset" filesystem becomes a dummy filesystem; attempts to mount it get
passed through to the cgroup filesystem with the appropriate options to
emulate the old cpuset filesystem behaviour.

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>
This commit is contained in:
Paul Menage
2007-10-18 23:39:39 -07:00
committed by Linus Torvalds
parent 81a6a5cdd2
commit 8793d854ed
11 changed files with 276 additions and 1054 deletions
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12
include/linux/mempolicy.h
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@@ -148,14 +148,6 @@ extern void mpol_rebind_task(struct task_struct *tsk,
const nodemask_t *new);
extern void mpol_rebind_mm(struct mm_struct *mm, nodemask_t *new);
extern void mpol_fix_fork_child_flag(struct task_struct *p);
#define set_cpuset_being_rebound(x) (cpuset_being_rebound = (x))
#ifdef CONFIG_CPUSETS
#define current_cpuset_is_being_rebound() \
(cpuset_being_rebound == current->cpuset)
#else
#define current_cpuset_is_being_rebound() 0
#endif
extern struct mempolicy default_policy;
extern struct zonelist *huge_zonelist(struct vm_area_struct *vma,
@@ -173,8 +165,6 @@ static inline void check_highest_zone(enum zone_type k)
int do_migrate_pages(struct mm_struct *mm,
const nodemask_t *from_nodes, const nodemask_t *to_nodes, int flags);
extern void *cpuset_being_rebound; /* Trigger mpol_copy vma rebind */
#else
struct mempolicy {};
@@ -248,8 +238,6 @@ static inline void mpol_fix_fork_child_flag(struct task_struct *p)
{
}
#define set_cpuset_being_rebound(x) do {} while (0)
static inline struct zonelist *huge_zonelist(struct vm_area_struct *vma,
unsigned long addr, gfp_t gfp_flags, struct mempolicy **mpol)
{