linux-kernel - Re: [mmotm][PATCH] coalescing uncharge

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 2 Sep 2009 15:15:00 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Cc:	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"balbir@...ux.vnet.ibm.com" <balbir@...ux.vnet.ibm.com>,
	"nishimura@....nes.nec.co.jp" <nishimura@....nes.nec.co.jp>,
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>
Subject: Re: [mmotm][PATCH] coalescing uncharge

On Wed, 2 Sep 2009 13:41:14 +0900
KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com> wrote:

>  #ifdef CONFIG_SWAP
>  /*
>   * called after __delete_from_swap_cache() and drop "page" account.
> Index: mmotm-2.6.31-Aug27/include/linux/sched.h
> ===================================================================
> --- mmotm-2.6.31-Aug27.orig/include/linux/sched.h
> +++ mmotm-2.6.31-Aug27/include/linux/sched.h
> @@ -1540,6 +1540,13 @@ struct task_struct {
>  	unsigned long trace_recursion;
>  #endif /* CONFIG_TRACING */
>  	unsigned long stack_start;
> +#ifdef CONFIG_CGROUP_MEM_RES_CTLR /* memcg uses this to do batch job */
> +	struct memcg_batch_info {
> +		bool do_batch;
> +		struct mem_cgroup *memcg;
> +		long pages, memsw;
> +	} memcg_batch;
> +#endif
I wonder I should make this as a pointer
	struct memcg_batch_info *

and allocate this dynamically at attach. Hmm. maybe useful for other purpose
to track per-task memcg behavior.

Regards,
-Kmae

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/