forked from luck/tmp_suning_uos_patched
f9cb654cb5
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>
48 lines
1.1 KiB
C
48 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu>
|
|
* Copyright (C) 2008-2009 PetaLogix
|
|
* Copyright (C) 2006 Atmark Techno, Inc.
|
|
*/
|
|
|
|
#ifndef _ASM_MICROBLAZE_PGALLOC_H
|
|
#define _ASM_MICROBLAZE_PGALLOC_H
|
|
|
|
#ifdef CONFIG_MMU
|
|
|
|
#include <linux/kernel.h> /* For min/max macros */
|
|
#include <linux/highmem.h>
|
|
#include <linux/pgtable.h>
|
|
#include <asm/setup.h>
|
|
#include <asm/io.h>
|
|
#include <asm/page.h>
|
|
#include <asm/cache.h>
|
|
|
|
#define __HAVE_ARCH_PTE_ALLOC_ONE_KERNEL
|
|
#include <asm-generic/pgalloc.h>
|
|
|
|
extern void __bad_pte(pmd_t *pmd);
|
|
|
|
static inline pgd_t *get_pgd(void)
|
|
{
|
|
return (pgd_t *)__get_free_pages(GFP_KERNEL|__GFP_ZERO, 0);
|
|
}
|
|
|
|
#define pgd_alloc(mm) get_pgd()
|
|
|
|
#define pmd_pgtable(pmd) pmd_page(pmd)
|
|
|
|
extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm);
|
|
|
|
#define __pte_free_tlb(tlb, pte, addr) pte_free((tlb)->mm, (pte))
|
|
|
|
#define pmd_populate(mm, pmd, pte) \
|
|
(pmd_val(*(pmd)) = (unsigned long)page_address(pte))
|
|
|
|
#define pmd_populate_kernel(mm, pmd, pte) \
|
|
(pmd_val(*(pmd)) = (unsigned long) (pte))
|
|
|
|
#endif /* CONFIG_MMU */
|
|
|
|
#endif /* _ASM_MICROBLAZE_PGALLOC_H */
|