Commit-ID: 9b718e758ac91f28b6cdd354ad5ee9c767daae74 Gitweb: http://git.kernel.org/tip/9b718e758ac91f28b6cdd354ad5ee9c767daae74 Author: Ingo Molnar <[email protected]> AuthorDate: Sun, 28 Oct 2012 14:10:14 +0100 Committer: Ingo Molnar <[email protected]> CommitDate: Sun, 28 Oct 2012 17:31:21 +0100
sched, numa, mm, s390/thp: Add pmd_mknotpresent() We'd like to make use of pmd_mknotpresent() in mm/, but not all architectures have it. This patch adds the s390 version. Signed-off-by: Ingo Molnar <[email protected]> Cc: Stephen Rothwell <[email protected]> Cc: Martin Schwidefsky <[email protected]> Cc: Heiko Carstens <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Ralf Baechle <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Gerald Schaefer <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Ingo Molnar <[email protected]> --- arch/s390/include/asm/pgtable.h | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-) diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index 098fc5a..b820ff1 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -1310,6 +1310,12 @@ static inline pmd_t pmd_mkyoung(pmd_t pmd) return pmd; } +static inline pmd_t pmd_mknotpresent(pmd_t pmd) +{ + pmd_val(pmd) &= ~_SEGMENT_ENTRY_ORIGIN; + return pmd; +} + #define __HAVE_ARCH_PMDP_TEST_AND_CLEAR_YOUNG static inline int pmdp_test_and_clear_young(struct vm_area_struct *vma, unsigned long address, pmd_t *pmdp) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

