Re: [RFC v2] Add mempressure cgroup

[Bartlomiej Zolnierkiewicz]

On Monday 10 December 2012 10:58:38 Anton Vorontsov wrote:

> +static void consume_memory(void)
> +{
> +	unsigned int i = 0;
> +	unsigned int j = 0;
> +
> +	puts("consuming memory...");
> +
> +	while (1) {
> +		pthread_mutex_lock(&locks[i]);
> +		if (!chunks[i]) {
> +			chunks[i] = malloc(CHUNK_SIZE);
> +			pabort(!chunks[i], 0, "chunks alloc failed");
> +			memset(chunks[i], 0, CHUNK_SIZE);
> +			j++;
> +		}
> +		pthread_mutex_unlock(&locks[i]);
> +
> +		if (j >= num_chunks / 10) {
> +			add_reclaimable(num_chunks / 10);

Shouldn't it use j instead of num_chunks / 10 here?

> +			printf("added %d reclaimable chunks\n", j);
> +			j = 0;
> +		}
> +
> +		i = (i + 1) % num_chunks;
> +	}
> +}

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung Poland R&D Center
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