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Revert "vmstat: disable vmstat_work on vmstat_cpu_down_prep()"

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This reverts commit adcfb264c3.

It turns out this just causes a different warning splat instead that
seems to be much easier to trigger, so let's revert ASAP.

Reported-and-bisected-by: Borislav Petkov <[email protected]>
Tested-by: Breno Leitao <[email protected]>
Reported-by: Alexander Gordeev <[email protected]>
Link: https://lore.kernel.org/all/20250106131817.GAZ3vYGVr3-hWFFPLj@fat_crate.local/
Cc: Koichiro Den <[email protected]>
Cc: Sebastian Andrzej Siewior <[email protected]>
Cc: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Linus Torvalds committed 2025-01-06 06:10:24 -08:00
1 parent 9d89551994
commit cd6313beae
1 file changed
+1 -2
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mm/vmstat.c
+1 -2
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@@ -2148,14 +2148,13 @@ static int vmstat_cpu_online(unsigned int cpu)
if (!node_state(cpu_to_node(cpu), N_CPU)) {
node_set_state(cpu_to_node(cpu), N_CPU);
}
enable_delayed_work(&per_cpu(vmstat_work, cpu));
return 0;
}
static int vmstat_cpu_down_prep(unsigned int cpu)
{
disable_delayed_work_sync(&per_cpu(vmstat_work, cpu));
cancel_delayed_work_sync(&per_cpu(vmstat_work, cpu));
return 0;
}