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parisc: rename PGD_ORDER to PGD_TABLE_ORDER
This is the order of the page table allocation, not the order of a PGD. Link: https://lkml.kernel.org/r/20220703141203.147893-14-rppt@kernel.org Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Dinh Nguyen <dinguyen@kernel.org> Cc: Guo Ren <guoren@kernel.org> Cc: Helge Deller <deller@gmx.de> Cc: Huacai Chen <chenhuacai@kernel.org> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Xuerui Wang <kernel@xen0n.name> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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@ -20,18 +20,18 @@ static inline pgd_t *pgd_alloc(struct mm_struct *mm)
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{
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pgd_t *pgd;
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pgd = (pgd_t *) __get_free_pages(GFP_KERNEL, PGD_ORDER);
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pgd = (pgd_t *) __get_free_pages(GFP_KERNEL, PGD_TABLE_ORDER);
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if (unlikely(pgd == NULL))
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return NULL;
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memset(pgd, 0, PAGE_SIZE << PGD_ORDER);
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memset(pgd, 0, PAGE_SIZE << PGD_TABLE_ORDER);
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return pgd;
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}
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static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
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{
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free_pages((unsigned long)pgd, PGD_ORDER);
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free_pages((unsigned long)pgd, PGD_TABLE_ORDER);
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}
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#if CONFIG_PGTABLE_LEVELS == 3
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@ -118,9 +118,9 @@ extern void __update_cache(pte_t pte);
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#if CONFIG_PGTABLE_LEVELS == 3
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#define PMD_TABLE_ORDER 1
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#define PGD_ORDER 0
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#define PGD_TABLE_ORDER 0
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#else
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#define PGD_ORDER 1
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#define PGD_TABLE_ORDER 1
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#endif
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/* Definitions for 3rd level (we use PLD here for Page Lower directory
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@ -144,10 +144,10 @@ extern void __update_cache(pte_t pte);
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/* Definitions for 1st level */
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#define PGDIR_SHIFT (PLD_SHIFT + BITS_PER_PTE + BITS_PER_PMD)
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#if (PGDIR_SHIFT + PAGE_SHIFT + PGD_ORDER - BITS_PER_PGD_ENTRY) > BITS_PER_LONG
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#if (PGDIR_SHIFT + PAGE_SHIFT + PGD_TABLE_ORDER - BITS_PER_PGD_ENTRY) > BITS_PER_LONG
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#define BITS_PER_PGD (BITS_PER_LONG - PGDIR_SHIFT)
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#else
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#define BITS_PER_PGD (PAGE_SHIFT + PGD_ORDER - BITS_PER_PGD_ENTRY)
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#define BITS_PER_PGD (PAGE_SHIFT + PGD_TABLE_ORDER - BITS_PER_PGD_ENTRY)
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#endif
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#define PGDIR_SIZE (1UL << PGDIR_SHIFT)
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#define PGDIR_MASK (~(PGDIR_SIZE-1))
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