mm/slub: limit number of node partial slabs only in cache creation

SLUB sets number of minimum partial slabs for node (min_partial)
using set_min_partial(). SLUB holds at least min_partial slabs even if
they're empty to avoid excessive use of page allocator.

set_min_partial() limits value of min_partial limits value of
min_partial MIN_PARTIAL and MAX_PARTIAL. As set_min_partial() can be
called by min_partial_store() too, Only limit value of min_partial
in kmem_cache_open() so that it can be changed to value that a user wants.

[ [email protected]: Fold set_min_partial() into its callers ]

Signed-off-by: Hyeonggon Yoo <[email protected]>
Reviewed-by: Vlastimil Babka <[email protected]>
Reviewed-by: Roman Gushchin <[email protected]>
Signed-off-by: Vlastimil Babka <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

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