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Message-Id: <20070530144512.4984a56c.akpm@linux-foundation.org>
Date:	Wed, 30 May 2007 14:45:12 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Pavel Emelianov <xemul@...nvz.org>
Cc:	Paul Menage <menage@...gle.com>, Balbir Singh <balbir@...ibm.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	devel@...nvz.org, Kirill Korotaev <dev@...nvz.org>
Subject: Re: [PATCH 3/8] Add container pointer on mm_struct

On Wed, 30 May 2007 19:29:26 +0400
Pavel Emelianov <xemul@...nvz.org> wrote:

> Naturally mm_struct determines the resource consumer in memory
> accounting. So each mm_struct should have a pointer on container
> it belongs to. When a new task is created its mm_struct is
> assigned to the container this task belongs to.
> 
>
> 
> diff -upr linux-2.6.22-rc2-mm1.orig/include/linux/sched.h linux-2.6.22-rc2-mm1-0/include/linux/sched.h
> --- linux-2.6.22-rc2-mm1.orig/include/linux/sched.h	2007-05-30 16:13:08.000000000 +0400
> +++ linux-2.6.22-rc2-mm1-0/include/linux/sched.h	2007-05-30 16:13:09.000000000 +0400
> @@ -390,6 +390,9 @@ struct mm_struct {
>  	/* aio bits */
>  	rwlock_t		ioctx_list_lock;
>  	struct kioctx		*ioctx_list;
> +#ifdef CONFIG_RSS_CONTAINER
> +	struct rss_container	*rss_container;
> +#endif
>  };
>  
>  struct sighand_struct {
> diff -upr linux-2.6.22-rc2-mm1.orig/kernel/fork.c linux-2.6.22-rc2-mm1-0/kernel/fork.c
> --- linux-2.6.22-rc2-mm1.orig/kernel/fork.c	2007-05-30 16:13:08.000000000 +0400
> +++ linux-2.6.22-rc2-mm1-0/kernel/fork.c	2007-05-30 16:13:09.000000000 +0400
> @@ -57,6 +57,8 @@
>  #include <asm/cacheflush.h>
>  #include <asm/tlbflush.h>
>  
> +#include <linux/rss_container.h>
> +
>  /*
>   * Protected counters by write_lock_irq(&tasklist_lock)
>   */
> @@ -329,7 +331,7 @@ static inline void mm_free_pgd(struct mm
>  
>  #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 *tsk)
>  {
>  	atomic_set(&mm->mm_users, 1);
>  	atomic_set(&mm->mm_count, 1);
> @@ -344,11 +346,14 @@ static struct mm_struct * mm_init(struct
>  	mm->ioctx_list = NULL;
>  	mm->free_area_cache = TASK_UNMAPPED_BASE;
>  	mm->cached_hole_size = ~0UL;
> +	mm_init_container(mm, tsk);

mm_init_container() doesn't get added until the next patch, so you just
broke git-bisect.

Please try to ensure that the kernel builds and runs at each stage of your
patch series.  You can assume that your newly-added CONFIG_ items are set
to =n for this purpose.

-
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