[LTP] mem/min_free_kbytes: Add grace period for memory reclaim

[linuxtestproject.agent@gmail.com]

Hi Wei,

On Wed, May 27 2026, Wei Gao wrote:
> mem/min_free_kbytes: Add grace period for memory reclaim

> +for (i = 1; i < 1024; i *= 2) {
> +usleep(i * 1000);
> +memfree = SAFE_READ_MEMINFO("MemFree:");
> +if (memfree >= tune)
> +break;
> +}

The exponential-backoff polling is the right approach here — async kernel
reclaim is exactly the case Ground Rule 2 calls out for this pattern.

> -sleep(2);
> +usleep(100000);

Reducing the polling interval from 2s to 100ms is fine.

[...]

All good. Approved.

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