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powerpc/nohash: Remove pte_same()

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arch/powerpc/include/asm/nohash/{32/64}/pgtable.h has

	#define __HAVE_ARCH_PTE_SAME
	#define pte_same(A,B)      ((pte_val(A) ^ pte_val(B)) == 0)

include/linux/pgtable.h has

	#ifndef __HAVE_ARCH_PTE_SAME
	static inline int pte_same(pte_t pte_a, pte_t pte_b)
	{
		return pte_val(pte_a) == pte_val(pte_b);
	}
	#endif

Remove the powerpc version which is similar to the generic one.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/83c97bd58a3596ef1b0ff28b1e41fd492d005520.1643616989.git.christophe.leroy@csgroup.eu
This commit is contained in:
Christophe Leroy 2022-01-31 08:16:48 +00:00 committed by Michael Ellerman
parent 4634bf4455
commit 535bda36db
2 changed files with 0 additions and 6 deletions
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3
arch/powerpc/include/asm/nohash/32/pgtable.h
View File

@ -338,9 +338,6 @@ static inline int pte_young(pte_t pte)
return pte_val(pte) & _PAGE_ACCESSED;
}
#define __HAVE_ARCH_PTE_SAME
#define pte_same(A,B) ((pte_val(A) ^ pte_val(B)) == 0)
/*
* Note that on Book E processors, the pmd contains the kernel virtual
* (lowmem) address of the pte page. The physical address is less useful

3
arch/powerpc/include/asm/nohash/64/pgtable.h
View File

@ -281,9 +281,6 @@ static inline void __ptep_set_access_flags(struct vm_area_struct *vma,
flush_tlb_page(vma, address);
}
#define __HAVE_ARCH_PTE_SAME
#define pte_same(A,B) ((pte_val(A) ^ pte_val(B)) == 0)
#define pte_ERROR(e) \
pr_err("%s:%d: bad pte %08lx.\n", __FILE__, __LINE__, pte_val(e))
#define pmd_ERROR(e) \