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mm: combine __folio_put_small, __folio_put_large and __folio_put

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It's now obvious that __folio_put_small() and __folio_put_large() do
almost exactly the same thing.  Inline them both into __folio_put().

Link: https://lkml.kernel.org/r/20240405153228.2563754-5-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Matthew Wilcox (Oracle) 2024-04-05 16:32:26 +01:00 committed by Andrew Morton
parent 2542b1ac9a
commit 79a4828751
1 changed files with 6 additions and 26 deletions
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32
mm/swap.c
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@ -112,42 +112,22 @@ static void page_cache_release(struct folio *folio)
unlock_page_lruvec_irqrestore(lruvec, flags);
}
static void __folio_put_small(struct folio *folio)
void __folio_put(struct folio *folio)
{
page_cache_release(folio);
mem_cgroup_uncharge(folio);
free_unref_page(&folio->page, 0);
}
static void __folio_put_large(struct folio *folio)
{
/*
* __page_cache_release() is supposed to be called for thp, not for
* hugetlb. This is because hugetlb page does never have PageLRU set
* (it's never listed to any LRU lists) and no memcg routines should
* be called for hugetlb (it has a separate hugetlb_cgroup.)
*/
if (folio_test_hugetlb(folio)) {
if (unlikely(folio_is_zone_device(folio))) {
free_zone_device_page(&folio->page);
return;
} else if (folio_test_hugetlb(folio)) {
free_huge_folio(folio);
return;
}
page_cache_release(folio);
if (folio_test_large_rmappable(folio))
if (folio_test_large(folio) && folio_test_large_rmappable(folio))
folio_undo_large_rmappable(folio);
mem_cgroup_uncharge(folio);
free_unref_page(&folio->page, folio_order(folio));
}
void __folio_put(struct folio *folio)
{
if (unlikely(folio_is_zone_device(folio)))
free_zone_device_page(&folio->page);
else if (unlikely(folio_test_large(folio)))
__folio_put_large(folio);
else
__folio_put_small(folio);
}
EXPORT_SYMBOL(__folio_put);
/**