mm/slub: Convert kfree() to use a struct slab

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Convert kfree(), kmem_cache_free() and ___cache_free() to resolve object
addresses to struct slab, using folio as intermediate step where needed.
Keep passing the result as struct page for now in preparation for mass
conversion of internal functions.

[ vbabka@suse.cz: Use folio as intermediate step when checking for
  large kmalloc pages, and when freeing them - rename
  free_nonslab_page() to free_large_kmalloc() that takes struct folio ]

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Reviewed-by: Roman Gushchin <guro@fb.com>

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Matthew Wilcox (Oracle) 2021-10-04 14:45:59 +01:00 • committed by Vlastimil Babka

parent cc465c3b23

commit d835eef4fc

1 changed files with 16 additions and 13 deletions

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mm/slub.c

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