mm: simplify PageDoubleMap with PF_SECOND policy

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Introduce the new page policy of PF_SECOND which lets us use the normal
pageflags generation machinery to create the various DoubleMap
manipulation functions.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Zi Yan <ziy@nvidia.com>
Link: https://lkml.kernel.org/r/20200629151933.15671-3-willy@infradead.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

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Matthew Wilcox (Oracle) 2020-10-13 16:53:54 -07:00 • committed by Linus Torvalds

parent e18c45ffcf

commit a08d93e575

1 changed files with 10 additions and 30 deletions

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include/linux/page-flags.h

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