mm/huge_memory: Convert __split_huge_pmd() to take a folio

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Convert split_huge_pmd_address() at the same time since it only passes
the folio through, and its two callers already have a folio on hand.
Removes numerous calls to compound_head() and removes an assumption
that a page cannot be larger than a PMD.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>

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This commit is contained in:

Matthew Wilcox (Oracle) 2022-01-21 10:44:52 -05:00

parent b3ac04132c

commit af28a988b3

3 changed files with 31 additions and 29 deletions

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8

include/linux/huge_mm.h

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46

mm/huge_memory.c

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6

mm/rmap.c

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