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Most architectures define pgd_free() as a wrapper for free_page(). Provide a generic version in asm-generic/pgalloc.h and enable its use for most architectures. Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Pekka Enberg <penberg@kernel.org> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> [m68k] Cc: Abdul Haleem <abdhalee@linux.vnet.ibm.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Christophe Leroy <christophe.leroy@csgroup.eu> Cc: Joerg Roedel <joro@8bytes.org> Cc: Joerg Roedel <jroedel@suse.de> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Satheesh Rajendran <sathnaga@linux.vnet.ibm.com> Cc: Stafford Horne <shorne@gmail.com> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Matthew Wilcox <willy@infradead.org> Link: http://lkml.kernel.org/r/20200627143453.31835-7-rppt@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
37 lines
800 B
C
37 lines
800 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ALPHA_PGALLOC_H
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#define _ALPHA_PGALLOC_H
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#include <linux/mm.h>
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#include <linux/mmzone.h>
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#include <asm-generic/pgalloc.h>
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/*
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* Allocate and free page tables. The xxx_kernel() versions are
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* used to allocate a kernel page table - this turns on ASN bits
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* if any.
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*/
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static inline void
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pmd_populate(struct mm_struct *mm, pmd_t *pmd, pgtable_t pte)
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{
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pmd_set(pmd, (pte_t *)(page_to_pa(pte) + PAGE_OFFSET));
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}
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#define pmd_pgtable(pmd) pmd_page(pmd)
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static inline void
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pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, pte_t *pte)
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{
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pmd_set(pmd, pte);
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}
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static inline void
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pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
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{
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pud_set(pud, pmd);
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}
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extern pgd_t *pgd_alloc(struct mm_struct *mm);
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#endif /* _ALPHA_PGALLOC_H */
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