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Groups > linux.kernel > #1232157
| From | "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 10/16] page-flags: define PG_swapbacked behavior on compound pages |
| Date | 2015-09-24 17:00 +0200 |
| Message-ID | <qcga8-6cP-51@gated-at.bofh.it> (permalink) |
| References | <qbhUB-3qy-7@gated-at.bofh.it> <qcga6-6cP-5@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
PG_swapbacked is used for transparent huge pages. For head pages only. Let's use PF_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 5ba8130fffb5..a31d682caeb2 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -266,9 +266,9 @@ PAGEFLAG(Foreign, foreign, PF_NO_COMPOUND); PAGEFLAG(Reserved, reserved, PF_NO_COMPOUND) __CLEARPAGEFLAG(Reserved, reserved, PF_NO_COMPOUND) -PAGEFLAG(SwapBacked, swapbacked, PF_ANY) - __CLEARPAGEFLAG(SwapBacked, swapbacked, PF_ANY) - __SETPAGEFLAG(SwapBacked, swapbacked, PF_ANY) +PAGEFLAG(SwapBacked, swapbacked, PF_NO_TAIL) + __CLEARPAGEFLAG(SwapBacked, swapbacked, PF_NO_TAIL) + __SETPAGEFLAG(SwapBacked, swapbacked, PF_NO_TAIL) /* * Private page markings that may be used by the filesystem that owns the page -- 2.5.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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[PATCH 10/16] page-flags: define PG_swapbacked behavior on compound pages "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2015-09-24 17:00 +0200
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