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7013803444
The ternary operator in compare_ts() returns 1 when timestamps are equal, causing unstable sorting behavior. Replace with explicit three-way comparison that returns 0 for equal timestamps, ensuring stable qsort ordering and consistent output. Link: https://lkml.kernel.org/r/20251209044552.3396468-1-kaushlendra.kumar@intel.com Fixes: 8f9c447e2e2b ("tools/vm/page_owner_sort.c: support sorting pid and time") Signed-off-by: Kaushlendra Kumar <kaushlendra.kumar@intel.com> Cc: Chongxi Zhao <zhaochongxi2019@email.szu.edu.cn> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>