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mm/page_alloc: remove redundant pcp->free_count initialization in per_cpu_pages_init()

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In per_cpu_pages_init(), pcp->free_count is explicitly initialized to 0,
but this is redundant because the entire struct is already zeroed by
memset(pcp, 0, sizeof(*pcp)).

Link: https://lkml.kernel.org/r/20250814071828.12036-1-ye.liu@linux.dev
Signed-off-by: Ye Liu <liuye@kylinos.cn>
Reviewed-by: Brendan Jackman <jackmanb@google.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Ye Liu
2025-08-14 15:18:28 +08:00
committed by Andrew Morton
parent e4fe1388df
commit 5922deb3ec
1 changed files with 0 additions and 1 deletions
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mm/page_alloc.c
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@@ -5946,7 +5946,6 @@ static void per_cpu_pages_init(struct per_cpu_pages *pcp, struct per_cpu_zonesta
pcp->high_min = BOOT_PAGESET_HIGH;
pcp->high_max = BOOT_PAGESET_HIGH;
pcp->batch = BOOT_PAGESET_BATCH;
pcp->free_count = 0;
}
static void __zone_set_pageset_high_and_batch(struct zone *zone, unsigned long high_min,