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mm: page_alloc: use div64_ul() instead of do_div()
Fixes Coccinelle/coccicheck warning reported by do_div.cocci. Compared to do_div(), div64_ul() does not implicitly cast the divisor and does not unnecessarily calculate the remainder. Link: https://lkml.kernel.org/r/20240228224911.1164-2-thorsten.blum@toblux.com Signed-off-by: Thorsten Blum <thorsten.blum@toblux.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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@ -5848,7 +5848,7 @@ static void __setup_per_zone_wmarks(void)
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spin_lock_irqsave(&zone->lock, flags);
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tmp = (u64)pages_min * zone_managed_pages(zone);
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do_div(tmp, lowmem_pages);
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tmp = div64_ul(tmp, lowmem_pages);
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if (is_highmem(zone) || zone_idx(zone) == ZONE_MOVABLE) {
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/*
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* __GFP_HIGH and PF_MEMALLOC allocations usually don't
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