mm/swap: remove unneeded return value of free_swap_slot
The return value of free_swap_slot is always 0 and also ignored now. Remove it to clean up the code. Link: https://lkml.kernel.org/r/20220509131416.17553-5-linmiaohe@huawei.com Signed-off-by:Miaohe Lin <linmiaohe@huawei.com> Reviewed-by:
David Hildenbrand <david@redhat.com> Reviewed-by:
Oscar Salvador <osalvador@suse.de> Cc: Alistair Popple <apopple@nvidia.com> Cc: David Howells <dhowells@redhat.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Naoya Horiguchi <naoya.horiguchi@nec.com> Cc: NeilBrown <neilb@suse.de> Cc: Peter Xu <peterx@redhat.com> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Vlastimil Babka <vbabka@suse.cz> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org>
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