| From | "Kirill A. Shutemov" <> | Subject | [PATCH 10/16] page-flags: define PG_swapbacked behavior on compound pages | Date | Thu, 19 Mar 2015 19:08:16 +0200 |
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PG_swapbacked is used for transparent huge pages. For head pages only. Let's use NO_TAIL policy.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> --- include/linux/page-flags.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index be691551896b..d1d08508984d 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -290,9 +290,9 @@ PAGEFLAG(Foreign, foreign, NO_COMPOUND) PAGEFLAG(Reserved, reserved, NO_COMPOUND) __CLEARPAGEFLAG(Reserved, reserved, NO_COMPOUND) -PAGEFLAG(SwapBacked, swapbacked, ANY) - __CLEARPAGEFLAG(SwapBacked, swapbacked, ANY) - __SETPAGEFLAG(SwapBacked, swapbacked, ANY) +PAGEFLAG(SwapBacked, swapbacked, NO_TAIL) + __CLEARPAGEFLAG(SwapBacked, swapbacked, NO_TAIL) + __SETPAGEFLAG(SwapBacked, swapbacked, NO_TAIL) /* * Private page markings that may be used by the filesystem that owns the page -- 2.1.4
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