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mm: Add kmap_local_folio()
authorMatthew Wilcox (Oracle) <willy@infradead.org>
Wed, 30 Dec 2020 15:21:39 +0000 (10:21 -0500)
committerMatthew Wilcox (Oracle) <willy@infradead.org>
Sat, 14 Aug 2021 21:01:51 +0000 (17:01 -0400)
commit258aa9e135a0088dcec061d479926c9b59b67dde
treef95bfd0d80737c06bd5874b6639bca7cc51bdf2btree
parent3431c15c5e0a2605e09d999eaa25db784d6f827fcommit | diff
mm: Add kmap_local_folio()

This allows us to map a portion of a folio.  Callers can only expect
to access up to the next page boundary.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
include/linux/highmem-internal.h diff | blob | history
include/linux/highmem.h diff | blob | history
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