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| author | Pavel Emelianov | 2008-02-07 09:13:51 +0100 |
|---|---|---|
| committer | Linus Torvalds | 2008-02-07 17:42:18 +0100 |
| commit | 78fb74669e80883323391090e4d26d17fe29488f (patch) | |
| tree | 9154b703510415ae87bdae8750c1054e79710c61 /kernel/fork.c | |
| parent | Memory controller: cgroups setup (diff) | |
| download | kernel-qcow2-linux-78fb74669e80883323391090e4d26d17fe29488f.tar.gz kernel-qcow2-linux-78fb74669e80883323391090e4d26d17fe29488f.tar.xz kernel-qcow2-linux-78fb74669e80883323391090e4d26d17fe29488f.zip | |
Memory controller: accounting setup
Basic setup routines, the mm_struct has a pointer to the cgroup that
it belongs to and the the page has a page_cgroup associated with it.
Signed-off-by: Pavel Emelianov <xemul@openvz.org>
Signed-off-by: Balbir Singh <balbir@linux.vnet.ibm.com>
Cc: Paul Menage <menage@google.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Kirill Korotaev <dev@sw.ru>
Cc: Herbert Poetzl <herbert@13thfloor.at>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/fork.c')
| -rw-r--r-- | kernel/fork.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index 3995297567a9..b2ef8e4fad70 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -40,6 +40,7 @@ #include <linux/ptrace.h> #include <linux/mount.h> #include <linux/audit.h> +#include <linux/memcontrol.h> #include <linux/profile.h> #include <linux/rmap.h> #include <linux/acct.h> @@ -340,7 +341,7 @@ __cacheline_aligned_in_smp DEFINE_SPINLOCK(mmlist_lock); #include <linux/init_task.h> -static struct mm_struct * mm_init(struct mm_struct * mm) +static struct mm_struct * mm_init(struct mm_struct * mm, struct task_struct *p) { atomic_set(&mm->mm_users, 1); atomic_set(&mm->mm_count, 1); @@ -357,11 +358,14 @@ static struct mm_struct * mm_init(struct mm_struct * mm) mm->ioctx_list = NULL; mm->free_area_cache = TASK_UNMAPPED_BASE; mm->cached_hole_size = ~0UL; + mm_init_cgroup(mm, p); if (likely(!mm_alloc_pgd(mm))) { mm->def_flags = 0; return mm; } + + mm_free_cgroup(mm); free_mm(mm); return NULL; } @@ -376,7 +380,7 @@ struct mm_struct * mm_alloc(void) mm = allocate_mm(); if (mm) { memset(mm, 0, sizeof(*mm)); - mm = mm_init(mm); + mm = mm_init(mm, current); } return mm; } @@ -390,6 +394,7 @@ void fastcall __mmdrop(struct mm_struct *mm) { BUG_ON(mm == &init_mm); mm_free_pgd(mm); + mm_free_cgroup(mm); destroy_context(mm); free_mm(mm); } @@ -511,7 +516,7 @@ static struct mm_struct *dup_mm(struct task_struct *tsk) mm->token_priority = 0; mm->last_interval = 0; - if (!mm_init(mm)) + if (!mm_init(mm, tsk)) goto fail_nomem; if (init_new_context(tsk, mm)) |