Files
erofs-linux/arch/microblaze/include/asm/pgalloc.h
T
Mike Rapoport f9cb654cb5 asm-generic: pgalloc: provide generic pgd_free()
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 <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Reviewed-by: Pekka Enberg <[email protected]>
Acked-by: Geert Uytterhoeven <[email protected]>	[m68k]
Cc: Abdul Haleem <[email protected]>
Cc: Andy Lutomirski <[email protected]>
Cc: Arnd Bergmann <[email protected]>
Cc: Christophe Leroy <[email protected]>
Cc: Joerg Roedel <[email protected]>
Cc: Joerg Roedel <[email protected]>
Cc: Max Filippov <[email protected]>
Cc: Peter Zijlstra (Intel) <[email protected]>
Cc: Satheesh Rajendran <[email protected]>
Cc: Stafford Horne <[email protected]>
Cc: Stephen Rothwell <[email protected]>
Cc: Steven Rostedt <[email protected]>
Cc: Matthew Wilcox <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Linus Torvalds <[email protected]>
2020-08-07 11:33:26 -07:00

48 lines
1.1 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2008-2009 Michal Simek <[email protected]>
* 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 */