mm/hugetlb: define a generic fallback for arch_clear_hugepage_flags() (5be99343) · Commits · 戴 / test

There are multiple similar definitions for arch_clear_hugepage_flags() on various platforms. Lets just add it's generic fallback definition for platforms that do not override. This help reduce code duplication. Signed-off-by:

Anshuman Khandual <anshuman.khandual@arm.com> Signed-off-by:

Andrew Morton <akpm@linux-foundation.org> Acked-by:

Mike Kravetz <mike.kravetz@oracle.com> Cc: Russell King <linux@armlinux.org.uk> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Tony Luck <tony.luck@intel.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com> Cc: Helge Deller <deller@gmx.de> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Paul Walmsley <paul.walmsley@sifive.com> Cc: Palmer Dabbelt <palmer@dabbelt.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Vasily Gorbik <gor@linux.ibm.com> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Rich Felker <dalias@libc.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: Borislav Petkov <bp@alien8.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Link: http://lkml.kernel.org/r/1588907271-11920-4-git-send-email-anshuman.khandual@arm.com Signed-off-by:

Linus Torvalds <torvalds@linux-foundation.org>

arch/arm/include/asm/hugetlb.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -18,5 +18,6 @@ static inline void arch_clear_hugepage_flags(struct page *page)
		{
		clear_bit(PG_dcache_clean, &page->flags);
		}
		#define arch_clear_hugepage_flags arch_clear_hugepage_flags

		#endif /* _ASM_ARM_HUGETLB_H */

arch/arm64/include/asm/hugetlb.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -21,6 +21,7 @@ static inline void arch_clear_hugepage_flags(struct page *page)
		{
		clear_bit(PG_dcache_clean, &page->flags);
		}
		#define arch_clear_hugepage_flags arch_clear_hugepage_flags

		extern pte_t arch_make_huge_pte(pte_t entry, struct vm_area_struct *vma,
		struct page *page, int writable);

arch/ia64/include/asm/hugetlb.h

+0 −4

Original line number	Diff line number	Diff line
		@@ -28,10 +28,6 @@ static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
		{
		}

		static inline void arch_clear_hugepage_flags(struct page *page)
		{
		}

		#include <asm-generic/hugetlb.h>

		#endif /* _ASM_IA64_HUGETLB_H */

arch/mips/include/asm/hugetlb.h

+0 −4

Original line number	Diff line number	Diff line
		@@ -75,10 +75,6 @@ static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
		return changed;
		}

		static inline void arch_clear_hugepage_flags(struct page *page)
		{
		}

		#include <asm-generic/hugetlb.h>

		#endif /* __ASM_HUGETLB_H */

arch/parisc/include/asm/hugetlb.h

+0 −4

Original line number	Diff line number	Diff line
		@@ -42,10 +42,6 @@ int huge_ptep_set_access_flags(struct vm_area_struct *vma,
		unsigned long addr, pte_t *ptep,
		pte_t pte, int dirty);

		static inline void arch_clear_hugepage_flags(struct page *page)
		{
		}

		#include <asm-generic/hugetlb.h>

		#endif /* _ASM_PARISC64_HUGETLB_H */

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