[LTP] mem/min_free_kbytes: Fix incorrect pass/fail accounting

[linuxtestproject.agent@gmail.com]

Hi Sachin,

On Thu Jul 9 09:43:23 2026 +0530, Sachin Sant wrote:
> mem/min_free_kbytes: Fix incorrect pass/fail accounting

Verdict - Reviewed

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Pre-existing issues:

In check_monitor(), the flag variable used for signal-handler
communication is declared as:

  volatile int end;

Strict C (C99 and later) requires volatile sig_atomic_t for variables
read/written by a signal handler.  This is pre-existing and harmless on
common architectures, but worth fixing in a follow-up.

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