linux-kernel - Re: [PATCH] oom: create a resource limit for oom

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Date:	Thu, 11 Nov 2010 13:19:05 +0800
From:	"Figo.zhang" <zhangtianfei@...dcoretech.com>
To:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] oom: create a resource limit for oom_adj


>   	if (oom_adjust<  task->signal->oom_adj&&  !capable(CAP_SYS_RESOURCE)) {
> -		err = -EACCES;
> -		goto err_sighand;
> +		/* convert oom_adj [15,-17] to rlimit style value [1,33] */
> +		long oom_rlim = OOM_ADJUST_MAX + 1 - oom_adjust;
> +
> +		if (oom_rlim>  task->signal->rlim[RLIMIT_OOMADJ].rlim_cur) {
> +			unlock_task_sighand(task,&flags);
> +			put_task_struct(task);
> +			err = -EACCES;
> +			goto err_sighand;
> +		}
>   	}

=> Label "err_sighand" have do that, why are you do that on here?

+			err = -EACCES;
+			goto err_sighand;
+		}
 	}


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