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Message-Id: <20180705110716.3919-7-alex@ghiti.fr>
Date: Thu, 5 Jul 2018 11:07:11 +0000
From: Alexandre Ghiti <alex@...ti.fr>
To: linux@...linux.org.uk, catalin.marinas@....com,
will.deacon@....com, tony.luck@...el.com, fenghua.yu@...el.com,
ralf@...ux-mips.org, paul.burton@...s.com, jhogan@...nel.org,
jejb@...isc-linux.org, deller@....de, benh@...nel.crashing.org,
paulus@...ba.org, mpe@...erman.id.au, ysato@...rs.sourceforge.jp,
dalias@...c.org, davem@...emloft.net, tglx@...utronix.de,
mingo@...hat.com, hpa@...or.com, x86@...nel.org, arnd@...db.de,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
linux-ia64@...r.kernel.org, linux-mips@...ux-mips.org,
linux-parisc@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
linux-sh@...r.kernel.org, sparclinux@...r.kernel.org,
linux-arch@...r.kernel.org
Cc: Alexandre Ghiti <alex@...ti.fr>
Subject: [PATCH v4 06/11] hugetlb: Introduce generic version of huge_pte_none
arm, arm64, ia64, parisc, powerpc, sh, sparc, x86 architectures
use the same version of huge_pte_none, so move this generic
implementation into asm-generic/hugetlb.h.
Signed-off-by: Alexandre Ghiti <alex@...ti.fr>
---
arch/arm/include/asm/hugetlb.h | 5 -----
arch/arm64/include/asm/hugetlb.h | 5 -----
arch/ia64/include/asm/hugetlb.h | 5 -----
arch/mips/include/asm/hugetlb.h | 1 +
arch/parisc/include/asm/hugetlb.h | 5 -----
arch/powerpc/include/asm/hugetlb.h | 5 -----
arch/sh/include/asm/hugetlb.h | 5 -----
arch/sparc/include/asm/hugetlb.h | 5 -----
arch/x86/include/asm/hugetlb.h | 5 -----
include/asm-generic/hugetlb.h | 7 +++++++
10 files changed, 8 insertions(+), 40 deletions(-)
diff --git a/arch/arm/include/asm/hugetlb.h b/arch/arm/include/asm/hugetlb.h
index 047b893ef95d..3d2ce4dbc145 100644
--- a/arch/arm/include/asm/hugetlb.h
+++ b/arch/arm/include/asm/hugetlb.h
@@ -43,11 +43,6 @@ 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 0b02856aa85b..3562d46585ba 100644
--- a/arch/powerpc/include/asm/hugetlb.h
+++ b/arch/powerpc/include/asm/hugetlb.h
@@ -152,11 +152,6 @@ 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 8347d5abf882..c5fdc53b6e41 100644
--- a/arch/x86/include/asm/hugetlb.h
+++ b/arch/x86/include/asm/hugetlb.h
@@ -27,11 +27,6 @@ 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 */
--
2.16.2
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