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powerpc/64: get rid of MIN_HUGEPTE_SHIFT

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MIN_HUGEPTE_SHIFT hasn't been used since commit d1837cba5d
("powerpc/mm: Cleanup initialization of hugepages on powerpc")

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Christophe Leroy 2016-09-21 16:49:27 +02:00 committed by Michael Ellerman
parent 555c16328a
commit c05f69a3dc
4 changed files with 0 additions and 12 deletions
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3
arch/powerpc/include/asm/book3s/64/hash-4k.h
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@ -16,9 +16,6 @@
#define H_PUD_TABLE_SIZE (sizeof(pud_t) << H_PUD_INDEX_SIZE)
#define H_PGD_TABLE_SIZE (sizeof(pgd_t) << H_PGD_INDEX_SIZE)
/* With 4k base page size, hugepage PTEs go at the PMD level */
#define MIN_HUGEPTE_SHIFT PMD_SHIFT
/* PTE flags to conserve for HPTE identification */
#define _PAGE_HPTEFLAGS (H_PAGE_BUSY | H_PAGE_HASHPTE | \
H_PAGE_F_SECOND | H_PAGE_F_GIX)

3
arch/powerpc/include/asm/book3s/64/hash-64k.h
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@ -6,9 +6,6 @@
#define H_PUD_INDEX_SIZE 5
#define H_PGD_INDEX_SIZE 12
/* With 4k base page size, hugepage PTEs go at the PMD level */
#define MIN_HUGEPTE_SHIFT PAGE_SHIFT
#define H_PAGE_COMBO 0x00001000 /* this is a combo 4k page */
#define H_PAGE_4K_PFN 0x00002000 /* PFN is for a single 4k page */
/*

3
arch/powerpc/include/asm/nohash/64/pgtable-4k.h
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@ -27,9 +27,6 @@
#define PMD_SIZE (1UL << PMD_SHIFT)
#define PMD_MASK (~(PMD_SIZE-1))
/* With 4k base page size, hugepage PTEs go at the PMD level */
#define MIN_HUGEPTE_SHIFT PMD_SHIFT
/* PUD_SHIFT determines what a third-level page table entry can map */
#define PUD_SHIFT (PMD_SHIFT + PMD_INDEX_SIZE)
#define PUD_SIZE (1UL << PUD_SHIFT)

3
arch/powerpc/include/asm/nohash/64/pgtable-64k.h
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@ -31,9 +31,6 @@
#define PTRS_PER_PMD (1 << PMD_INDEX_SIZE)
#define PTRS_PER_PGD (1 << PGD_INDEX_SIZE)
/* With 4k base page size, hugepage PTEs go at the PMD level */
#define MIN_HUGEPTE_SHIFT PAGE_SHIFT
/* PMD_SHIFT determines what a second-level page table entry can map */
#define PMD_SHIFT (PAGE_SHIFT + PTE_INDEX_SIZE)
#define PMD_SIZE (1UL << PMD_SHIFT)