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(parent: e18c45f) | patch
mm: simplify PageDoubleMap with PF_SECOND policy
authorMatthew Wilcox (Oracle) <willy@infradead.org>
Tue, 13 Oct 2020 23:53:54 +0000 (16:53 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 14 Oct 2020 01:38:31 +0000 (18:38 -0700)
commita08d93e5752a35a771054f6c463f789720f9a3e8
tree8cc99136ba5c89cb01912f3ca0ac7417e766a450tree | snapshot
parente18c45ffcfa347b13c2f300f290bacff55a4b41ecommit | diff
mm: simplify PageDoubleMap with PF_SECOND policy

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>
include/linux/page-flags.h diff | blob | history
Domain: System / Kernel;