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Groups > linux.kernel > #1232164
| From | "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 12/16] page-flags: define PG_mlocked behavior on compound pages |
| Date | 2015-09-24 17:00 +0200 |
| Message-ID | <qcga9-6cP-63@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 |
Transparent huge pages can be mlocked -- whole compund page at once. Something went wrong if we're trying to mlock() tail page. Let's use PF_NO_TAIL. Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> --- include/linux/page-flags.h | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index c933416b2f92..31e68a8c2777 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -316,8 +316,10 @@ PAGEFLAG(Unevictable, unevictable, PF_HEAD) TESTCLEARFLAG(Unevictable, unevictable, PF_HEAD) #ifdef CONFIG_MMU -PAGEFLAG(Mlocked, mlocked, PF_ANY) __CLEARPAGEFLAG(Mlocked, mlocked, PF_ANY) - TESTSCFLAG(Mlocked, mlocked, PF_ANY) __TESTCLEARFLAG(Mlocked, mlocked, PF_ANY) +PAGEFLAG(Mlocked, mlocked, PF_NO_TAIL) + __CLEARPAGEFLAG(Mlocked, mlocked, PF_NO_TAIL) + TESTSCFLAG(Mlocked, mlocked, PF_NO_TAIL) + __TESTCLEARFLAG(Mlocked, mlocked, PF_NO_TAIL) #else PAGEFLAG_FALSE(Mlocked) __CLEARPAGEFLAG_NOOP(Mlocked) TESTSCFLAG_FALSE(Mlocked) __TESTCLEARFLAG_FALSE(Mlocked) -- 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 00/16] Refreshed page-flags patchset "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2015-09-24 17:00 +0200
[PATCH 12/16] page-flags: define PG_mlocked behavior on compound pages "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2015-09-24 17:00 +0200
[PATCH 03/16] page-flags: introduce page flags policies wrt compound pages "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2015-09-24 17:00 +0200
Re: [PATCH 03/16] page-flags: introduce page flags policies wrt compound pages Konstantin Khlebnikov <khlebnikov@yandex-team.ru> - 2015-09-25 14:30 +0200
Re: [PATCH 03/16] page-flags: introduce page flags policies wrt compound pages "Kirill A. Shutemov" <kirill@shutemov.name> - 2015-09-25 21:20 +0200
Re: [PATCH 03/16] page-flags: introduce page flags policies wrt compound pages "Kirill A. Shutemov" <kirill@shutemov.name> - 2015-09-28 13:10 +0200
Re: [PATCH 03/16] page-flags: introduce page flags policies wrt compound pages Konstantin Khlebnikov <khlebnikov@yandex-team.ru> - 2015-09-28 13:50 +0200
Re: [PATCH 03/16] page-flags: introduce page flags policies wrt compound pages "Kirill A. Shutemov" <kirill@shutemov.name> - 2015-09-28 20:00 +0200
[PATCH 04/16] page-flags: define PG_locked behavior on compound pages "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2015-09-24 17:00 +0200
Re: [PATCH 04/16] page-flags: define PG_locked behavior on compound pages Christoph Lameter <cl@linux.com> - 2015-09-24 18:10 +0200
Re: [PATCH 04/16] page-flags: define PG_locked behavior on compound pages "Kirill A. Shutemov" <kirill@shutemov.name> - 2015-09-24 22:30 +0200
Re: [PATCH 00/16] Refreshed page-flags patchset Christoph Lameter <cl@linux.com> - 2015-09-24 18:20 +0200
Re: [PATCH 00/16] Refreshed page-flags patchset "Kirill A. Shutemov" <kirill@shutemov.name> - 2015-09-24 22:30 +0200
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