aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorAlexandre Ghiti <alex@ghiti.fr>2018-10-26 15:08:22 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-10-26 16:26:34 -0700
commitcae72abc1af0c1ef4cb39e7187c5af44a7ce17a4 (patch)
tree823d008678d603e6eb316895cc895f7d6b3985e9
parenthugetlb: introduce generic version of huge_ptep_clear_flush (diff)
downloadlinux-dev-cae72abc1af0c1ef4cb39e7187c5af44a7ce17a4.tar.xz
linux-dev-cae72abc1af0c1ef4cb39e7187c5af44a7ce17a4.zip
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>
-rw-r--r--arch/arm/include/asm/hugetlb.h5
-rw-r--r--arch/arm64/include/asm/hugetlb.h5
-rw-r--r--arch/ia64/include/asm/hugetlb.h5
-rw-r--r--arch/mips/include/asm/hugetlb.h1
-rw-r--r--arch/parisc/include/asm/hugetlb.h5
-rw-r--r--arch/powerpc/include/asm/hugetlb.h5
-rw-r--r--arch/sh/include/asm/hugetlb.h5
-rw-r--r--arch/sparc/include/asm/hugetlb.h5
-rw-r--r--arch/x86/include/asm/hugetlb.h5
-rw-r--r--include/asm-generic/hugetlb.h7
10 files changed, 8 insertions, 40 deletions
diff --git a/arch/arm/include/asm/hugetlb.h b/arch/arm/include/asm/hugetlb.h
index 537660891f9f..c821b550d6a4 100644
--- a/arch/arm/include/asm/hugetlb.h
+++ b/arch/arm/include/asm/hugetlb.h
@@ -44,11 +44,6 @@ static inline int prepare_hugepage_range(struct file *file,
return 0;
}
-static inline int huge_pte_none(pte_t pte)
-{
- return pte_none(pte);
-}
-
static inline pte_t huge_pte_wrprotect(pte_t pte)
{
return pte_wrprotect(pte);
diff --git a/arch/arm64/include/asm/hugetlb.h b/arch/arm64/include/asm/hugetlb.h
index 4c8dd488554d..49247c6f94db 100644
--- a/arch/arm64/include/asm/hugetlb.h
+++ b/arch/arm64/include/asm/hugetlb.h
@@ -42,11 +42,6 @@ static inline int prepare_hugepage_range(struct file *file,
return 0;
}
-static inline int huge_pte_none(pte_t pte)
-{
- return pte_none(pte);
-}
-
static inline pte_t huge_pte_wrprotect(pte_t pte)
{
return pte_wrprotect(pte);
diff --git a/arch/ia64/include/asm/hugetlb.h b/arch/ia64/include/asm/hugetlb.h
index 41b5f6adeee4..bf573500b3c4 100644
--- a/arch/ia64/include/asm/hugetlb.h
+++ b/arch/ia64/include/asm/hugetlb.h
@@ -26,11 +26,6 @@ static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
{
}
-static inline int huge_pte_none(pte_t pte)
-{
- return pte_none(pte);
-}
-
static inline pte_t huge_pte_wrprotect(pte_t pte)
{
return pte_wrprotect(pte);
diff --git a/arch/mips/include/asm/hugetlb.h b/arch/mips/include/asm/hugetlb.h
index 7df1f116a3cc..1c9c4531376c 100644
--- a/arch/mips/include/asm/hugetlb.h
+++ b/arch/mips/include/asm/hugetlb.h
@@ -55,6 +55,7 @@ static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
flush_tlb_page(vma, addr & huge_page_mask(hstate_vma(vma)));
}
+#define __HAVE_ARCH_HUGE_PTE_NONE
static inline int huge_pte_none(pte_t pte)
{
unsigned long val = pte_val(pte) & ~_PAGE_GLOBAL;
diff --git a/arch/parisc/include/asm/hugetlb.h b/arch/parisc/include/asm/hugetlb.h
index 9afff26747a1..c09d8c74553c 100644
--- a/arch/parisc/include/asm/hugetlb.h
+++ b/arch/parisc/include/asm/hugetlb.h
@@ -38,11 +38,6 @@ static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
{
}
-static inline int huge_pte_none(pte_t pte)
-{
- return pte_none(pte);
-}
-
static inline pte_t huge_pte_wrprotect(pte_t pte)
{
return pte_wrprotect(pte);
diff --git a/arch/powerpc/include/asm/hugetlb.h b/arch/powerpc/include/asm/hugetlb.h
index 1eb3e131cab4..6a534353c8eb 100644
--- a/arch/powerpc/include/asm/hugetlb.h
+++ b/arch/powerpc/include/asm/hugetlb.h
@@ -149,11 +149,6 @@ static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
flush_hugetlb_page(vma, addr);
}
-static inline int huge_pte_none(pte_t pte)
-{
- return pte_none(pte);
-}
-
static inline pte_t huge_pte_wrprotect(pte_t pte)
{
return pte_wrprotect(pte);
diff --git a/arch/sh/include/asm/hugetlb.h b/arch/sh/include/asm/hugetlb.h
index 9abf9c86b769..a9f8266f33cf 100644
--- a/arch/sh/include/asm/hugetlb.h
+++ b/arch/sh/include/asm/hugetlb.h
@@ -31,11 +31,6 @@ static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
{
}
-static inline int huge_pte_none(pte_t pte)
-{
- return pte_none(pte);
-}
-
static inline pte_t huge_pte_wrprotect(pte_t pte)
{
return pte_wrprotect(pte);
diff --git a/arch/sparc/include/asm/hugetlb.h b/arch/sparc/include/asm/hugetlb.h
index 651a9593fcee..11115bbd712e 100644
--- a/arch/sparc/include/asm/hugetlb.h
+++ b/arch/sparc/include/asm/hugetlb.h
@@ -48,11 +48,6 @@ static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
{
}
-static inline int huge_pte_none(pte_t pte)
-{
- return pte_none(pte);
-}
-
static inline pte_t huge_pte_wrprotect(pte_t pte)
{
return pte_wrprotect(pte);
diff --git a/arch/x86/include/asm/hugetlb.h b/arch/x86/include/asm/hugetlb.h
index fd59673e7a0a..42d872054791 100644
--- a/arch/x86/include/asm/hugetlb.h
+++ b/arch/x86/include/asm/hugetlb.h
@@ -28,11 +28,6 @@ static inline int prepare_hugepage_range(struct file *file,
return 0;
}
-static inline int huge_pte_none(pte_t pte)
-{
- return pte_none(pte);
-}
-
static inline pte_t huge_pte_wrprotect(pte_t pte)
{
return pte_wrprotect(pte);
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 */