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mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-01-18 20:40:22 +00:00
Matthew Wilcox (Oracle) 1313057c36 highmem: Add memcpy_folio()
The folio equivalent of memcpy_page().  It should correctly and
efficiently manage large folios:

 - If one, neither or both is highmem
 - If (either or both) offset+len crosses a page boundary
 - If the two offsets are congruent or not

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2025-04-28 15:26:33 +00:00
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