mm/page_alloc: clear PageBuddy using __ClearPageBuddy() for bad pages

mm/page_alloc: clear PageBuddy using __ClearPageBuddy() for bad pages

Let's stop using page_mapcount_reset() and clear PageBuddy using
__ClearPageBuddy() instead.

Link: https://lkml.kernel.org/r/20240529111904.2069608-5-david@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Tested-by: Sergey Senozhatsky <senozhatsky@chromium.org>	[zram/zsmalloc workloads]
Cc: Hyeonggon Yoo <42.hyeyoo@gmail.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Mike Rapoport (IBM) <rppt@kernel.org>
Cc: Minchan Kim <minchan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>