[LTP] cpuset_memory_spread: count only the test file's page cache

[linuxtestproject.agent@gmail.com]

Hi Changwei,

On Sep 4, 2026, Changwei Zou wrote:
> cpuset_memory_spread: count only the test file's page cache

> +		if (query_pages_node(n, pages + off, status + off) == -1) {
> +			warn("move_pages failed");
> +			goto out;
> +		}

Medium: In Linux 7.3, move_pages() is built only when
CONFIG_NUMA_MIGRATION=y. With it disabled this returns ENOSYS, the helper
writes "0" to the FIFO, and every case reports TFAIL; require the config and
report missing syscall support as TCONF.

> +	# the unexpected nodes must hold only a negligible fraction
> +	if [ $((unexpected_sum * 100)) -ge $((total * UNEXPECTED_TOLERANCE)) ]; then
> +		return 1
> +	fi

Low: This rejects an unexpected share of exactly 5%, although the commit
message and comments say that "at most" 5% is allowed. Use -gt, or document
5% as an exclusive limit.

Verdict - Needs revision

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