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mm/vmscan: pass NULL to trace vmscan node reclaim

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The tracepoint for node relcaims takes a `struct mem_cgroup *`
as the third argument, so pass NULL instead of 0 to fix warning
about using an integer as a pointer.

Fixes the following warnings:

mm/vmscan.c:6753:66: warning: Using plain integer as NULL pointer
mm/vmscan.c:6757:58: warning: Using plain integer as NULL pointer
mm/vmscan.c:7818:60: warning: Using plain integer as NULL pointer

Link: https://lore.kernel.org/20260616095906.210016-1-ben.dooks@codethink.co.uk
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Ben Dooks 2026-06-16 10:59:06 +01:00 committed by Andrew Morton
parent c565c009d0
commit 44238b122a
1 changed files with 3 additions and 3 deletions
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6
mm/vmscan.c
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@ -6706,11 +6706,11 @@ unsigned long try_to_free_pages(struct zonelist *zonelist, int order,
return 1;
set_task_reclaim_state(current, &sc.reclaim_state);
trace_mm_vmscan_direct_reclaim_begin(sc.gfp_mask, order, 0);
trace_mm_vmscan_direct_reclaim_begin(sc.gfp_mask, order, NULL);
nr_reclaimed = do_try_to_free_pages(zonelist, &sc);
trace_mm_vmscan_direct_reclaim_end(nr_reclaimed, 0);
trace_mm_vmscan_direct_reclaim_end(nr_reclaimed, NULL);
set_task_reclaim_state(current, NULL);
return nr_reclaimed;
@ -7776,7 +7776,7 @@ static unsigned long __node_reclaim(struct pglist_data *pgdat, gfp_t gfp_mask,
delayacct_freepages_end();
psi_memstall_leave(&pflags);
trace_mm_vmscan_node_reclaim_end(sc->nr_reclaimed, 0);
trace_mm_vmscan_node_reclaim_end(sc->nr_reclaimed, NULL);
return sc->nr_reclaimed;
}