mm: improve kerneldoc comments for __alloc_pages_bulk

Describe the semantincs in more detail, as the filling empty slots in
an array scheme is not quite obvious.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://patch.msgid.link/20251113084022.1255121-3-hch@lst.de
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
This commit is contained in:
Christoph Hellwig 2025-11-13 09:39:43 +01:00 • committed by Vlastimil Babka
commit e9939cebc0