aboutsummaryrefslogtreecommitdiffstats
path: root/arch/powerpc/include/asm/pgalloc-32.h
diff options
context:
space:
mode:
authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>2016-04-29 23:26:14 +1000
committerMichael Ellerman <mpe@ellerman.id.au>2016-05-11 21:53:49 +1000
commit75a9b8a6c2533064a8d5d090ada7bf9e4c4c84c1 (patch)
tree84a65863d42b74693e4a9df428fc58617df64ea2 /arch/powerpc/include/asm/pgalloc-32.h
parentpowerpc/mm: Make a copy of pgalloc.h for 32 and 64 book3s (diff)
downloadlinux-dev-75a9b8a6c2533064a8d5d090ada7bf9e4c4c84c1.tar.xz
linux-dev-75a9b8a6c2533064a8d5d090ada7bf9e4c4c84c1.zip
powerpc/mm: Copy pgalloc (part 2)
This moves the nohash variant of pgalloc headers to nohash/ directory Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/include/asm/pgalloc-32.h')
-rw-r--r--arch/powerpc/include/asm/pgalloc-32.h109
1 files changed, 0 insertions, 109 deletions
diff --git a/arch/powerpc/include/asm/pgalloc-32.h b/arch/powerpc/include/asm/pgalloc-32.h
deleted file mode 100644
index 76d6b9e0c8a9..000000000000
--- a/arch/powerpc/include/asm/pgalloc-32.h
+++ /dev/null
@@ -1,109 +0,0 @@
-#ifndef _ASM_POWERPC_PGALLOC_32_H
-#define _ASM_POWERPC_PGALLOC_32_H
-
-#include <linux/threads.h>
-
-/* For 32-bit, all levels of page tables are just drawn from get_free_page() */
-#define MAX_PGTABLE_INDEX_SIZE 0
-
-extern void __bad_pte(pmd_t *pmd);
-
-extern pgd_t *pgd_alloc(struct mm_struct *mm);
-extern void pgd_free(struct mm_struct *mm, pgd_t *pgd);
-
-/*
- * We don't have any real pmd's, and this code never triggers because
- * the pgd will always be present..
- */
-/* #define pmd_alloc_one(mm,address) ({ BUG(); ((pmd_t *)2); }) */
-#define pmd_free(mm, x) do { } while (0)
-#define __pmd_free_tlb(tlb,x,a) do { } while (0)
-/* #define pgd_populate(mm, pmd, pte) BUG() */
-
-#ifndef CONFIG_BOOKE
-
-static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmdp,
- pte_t *pte)
-{
- *pmdp = __pmd(__pa(pte) | _PMD_PRESENT);
-}
-
-static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmdp,
- pgtable_t pte_page)
-{
- *pmdp = __pmd((page_to_pfn(pte_page) << PAGE_SHIFT) | _PMD_PRESENT);
-}
-
-#define pmd_pgtable(pmd) pmd_page(pmd)
-#else
-
-static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmdp,
- pte_t *pte)
-{
- *pmdp = __pmd((unsigned long)pte | _PMD_PRESENT);
-}
-
-static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmdp,
- pgtable_t pte_page)
-{
- *pmdp = __pmd((unsigned long)lowmem_page_address(pte_page) | _PMD_PRESENT);
-}
-
-#define pmd_pgtable(pmd) pmd_page(pmd)
-#endif
-
-extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr);
-extern pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long addr);
-
-static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
-{
- free_page((unsigned long)pte);
-}
-
-static inline void pte_free(struct mm_struct *mm, pgtable_t ptepage)
-{
- pgtable_page_dtor(ptepage);
- __free_page(ptepage);
-}
-
-static inline void pgtable_free(void *table, unsigned index_size)
-{
- BUG_ON(index_size); /* 32-bit doesn't use this */
- free_page((unsigned long)table);
-}
-
-#define check_pgt_cache() do { } while (0)
-
-#ifdef CONFIG_SMP
-static inline void pgtable_free_tlb(struct mmu_gather *tlb,
- void *table, int shift)
-{
- unsigned long pgf = (unsigned long)table;
- BUG_ON(shift > MAX_PGTABLE_INDEX_SIZE);
- pgf |= shift;
- tlb_remove_table(tlb, (void *)pgf);
-}
-
-static inline void __tlb_remove_table(void *_table)
-{
- void *table = (void *)((unsigned long)_table & ~MAX_PGTABLE_INDEX_SIZE);
- unsigned shift = (unsigned long)_table & MAX_PGTABLE_INDEX_SIZE;
-
- pgtable_free(table, shift);
-}
-#else
-static inline void pgtable_free_tlb(struct mmu_gather *tlb,
- void *table, int shift)
-{
- pgtable_free(table, shift);
-}
-#endif
-
-static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t table,
- unsigned long address)
-{
- tlb_flush_pgtable(tlb, address);
- pgtable_page_dtor(table);
- pgtable_free_tlb(tlb, page_address(table), 0);
-}
-#endif /* _ASM_POWERPC_PGALLOC_32_H */