Re: [PATCH] RLIMIT_MEMLOCK accounting of shmctl() SHM_LOCK isbroken

[Arjan van de Ven]

On Mon, 2004-11-29 at 21:38 +0000, Linux Kernel Mailing List wrote:
> ChangeSet 1.2251, 2004/11/29 13:38:43-08:00, mtk-lkml@xxxxxxx
>  
> -	spin_lock(&shmlock_user_lock);
> -	locked = size >> PAGE_SHIFT;
> +	locked = (size + PAGE_SIZE - 1) >> PAGE_SHIFT;
>  	lock_limit = current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur;
>  	lock_limit >>= PAGE_SHIFT;
> +	spin_lock(&shmlock_user_lock);

after this change... isn't the use to the
current->signal->rlim[RLIMIT_MEMLOCK] entirely unlocked and thus racey ?
-- 

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