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: /proc/self/root/usr/lib/modules/5.15.0-1082-aws/build/arch/powerpc/include/asm/nohash/ [ drwxr-xr-x ]
name : pgalloc.h /* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_POWERPC_NOHASH_PGALLOC_H #define _ASM_POWERPC_NOHASH_PGALLOC_H #include <linux/mm.h> #include <linux/slab.h> extern void tlb_remove_table(struct mmu_gather *tlb, void *table); #ifdef CONFIG_PPC64 extern void tlb_flush_pgtable(struct mmu_gather *tlb, unsigned long address); #else /* 44x etc which is BOOKE not BOOK3E */ static inline void tlb_flush_pgtable(struct mmu_gather *tlb, unsigned long address) { } #endif /* !CONFIG_PPC_BOOK3E */ static inline pgd_t *pgd_alloc(struct mm_struct *mm) { return kmem_cache_alloc(PGT_CACHE(PGD_INDEX_SIZE), pgtable_gfp_flags(mm, GFP_KERNEL)); } static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) { kmem_cache_free(PGT_CACHE(PGD_INDEX_SIZE), pgd); } #ifdef CONFIG_PPC64 #include <asm/nohash/64/pgalloc.h> #else #include <asm/nohash/32/pgalloc.h> #endif static inline void pgtable_free(void *table, int shift) { if (!shift) { pte_fragment_free((unsigned long *)table, 0); } else { BUG_ON(shift > MAX_PGTABLE_INDEX_SIZE); kmem_cache_free(PGT_CACHE(shift), table); } } #define get_hugepd_cache_index(x) (x) 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); } static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t table, unsigned long address) { tlb_flush_pgtable(tlb, address); pgtable_free_tlb(tlb, table, 0); } #endif /* _ASM_POWERPC_NOHASH_PGALLOC_H */