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| author | Alexandre Ghiti <alex@ghiti.fr> | 2018-10-27 01:08:22 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-10-27 02:26:34 +0300 |
| commit | cae72abc1af0c1ef4cb39e7187c5af44a7ce17a4 (patch) | |
| tree | 823d008678d603e6eb316895cc895f7d6b3985e9 /include/asm-generic/hugetlb.h | |
| parent | fe632225bdbd49f5620e7ccfa03268fec9a3e370 (diff) | |
| download | linux-cae72abc1af0c1ef4cb39e7187c5af44a7ce17a4.tar.xz | |
hugetlb: introduce generic version of huge_pte_none()
arm, arm64, ia64, mips, parisc, powerpc, sh, sparc, x86 architectures use
the same version of huge_pte_none, so move this generic implementation
into asm-generic/hugetlb.h.
Link: http://lkml.kernel.org/r/20180920060358.16606-7-alex@ghiti.fr
Signed-off-by: Alexandre Ghiti <alex@ghiti.fr>
Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
Tested-by: Helge Deller <deller@gmx.de> [parisc]
Acked-by: Catalin Marinas <catalin.marinas@arm.com> [arm64]
Acked-by: Paul Burton <paul.burton@mips.com> [MIPS]
Acked-by: Ingo Molnar <mingo@kernel.org> [x86]
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: David S. Miller <davem@davemloft.net>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James E.J. Bottomley <jejb@parisc-linux.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Rich Felker <dalias@libc.org>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/asm-generic/hugetlb.h')
| -rw-r--r-- | include/asm-generic/hugetlb.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/asm-generic/hugetlb.h b/include/asm-generic/hugetlb.h index ffa63fd8388d..2fc3d68424e9 100644 --- a/include/asm-generic/hugetlb.h +++ b/include/asm-generic/hugetlb.h @@ -73,4 +73,11 @@ static inline void huge_ptep_clear_flush(struct vm_area_struct *vma, } #endif +#ifndef __HAVE_ARCH_HUGE_PTE_NONE +static inline int huge_pte_none(pte_t pte) +{ + return pte_none(pte); +} +#endif + #endif /* _ASM_GENERIC_HUGETLB_H */ |