From f089dcc74226b874a4d4b122854e0dea91ff72d8 Mon Sep 17 00:00:00 2001 From: Mike Rapoport Date: Thu, 4 Jun 2020 16:47:08 -0700 Subject: mm: remove __ARCH_HAS_5LEVEL_HACK and include/asm-generic/5level-fixup.h There are no architectures that use include/asm-generic/5level-fixup.h therefore it can be removed along with __ARCH_HAS_5LEVEL_HACK define and the code it surrounds Signed-off-by: Mike Rapoport Signed-off-by: Andrew Morton Cc: Arnd Bergmann Cc: Benjamin Herrenschmidt Cc: Brian Cain Cc: Catalin Marinas Cc: Christophe Leroy Cc: Fenghua Yu Cc: Geert Uytterhoeven Cc: Guan Xuetao Cc: James Morse Cc: Jonas Bonn Cc: Julien Thierry Cc: Ley Foon Tan Cc: Marc Zyngier Cc: Michael Ellerman Cc: Paul Mackerras Cc: Rich Felker Cc: Russell King Cc: Stafford Horne Cc: Stefan Kristiansson Cc: Suzuki K Poulose Cc: Tony Luck Cc: Will Deacon Cc: Yoshinori Sato Link: http://lkml.kernel.org/r/20200414153455.21744-15-rppt@kernel.org Signed-off-by: Linus Torvalds --- include/asm-generic/5level-fixup.h | 59 -------------------------------------- include/linux/mm.h | 7 ----- 2 files changed, 66 deletions(-) delete mode 100644 include/asm-generic/5level-fixup.h (limited to 'include') diff --git a/include/asm-generic/5level-fixup.h b/include/asm-generic/5level-fixup.h deleted file mode 100644 index 58046ddc08d0..000000000000 --- a/include/asm-generic/5level-fixup.h +++ /dev/null @@ -1,59 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _5LEVEL_FIXUP_H -#define _5LEVEL_FIXUP_H - -#define __ARCH_HAS_5LEVEL_HACK -#define __PAGETABLE_P4D_FOLDED 1 - -#define P4D_SHIFT PGDIR_SHIFT -#define P4D_SIZE PGDIR_SIZE -#define P4D_MASK PGDIR_MASK -#define MAX_PTRS_PER_P4D 1 -#define PTRS_PER_P4D 1 - -#define p4d_t pgd_t - -#define pud_alloc(mm, p4d, address) \ - ((unlikely(pgd_none(*(p4d))) && __pud_alloc(mm, p4d, address)) ? \ - NULL : pud_offset(p4d, address)) - -#define p4d_alloc(mm, pgd, address) (pgd) -#define p4d_alloc_track(mm, pgd, address, mask) (pgd) -#define p4d_offset(pgd, start) (pgd) - -#ifndef __ASSEMBLY__ -static inline int p4d_none(p4d_t p4d) -{ - return 0; -} - -static inline int p4d_bad(p4d_t p4d) -{ - return 0; -} - -static inline int p4d_present(p4d_t p4d) -{ - return 1; -} -#endif - -#define p4d_ERROR(p4d) do { } while (0) -#define p4d_clear(p4d) pgd_clear(p4d) -#define p4d_val(p4d) pgd_val(p4d) -#define p4d_populate(mm, p4d, pud) pgd_populate(mm, p4d, pud) -#define p4d_populate_safe(mm, p4d, pud) pgd_populate(mm, p4d, pud) -#define p4d_page(p4d) pgd_page(p4d) -#define p4d_page_vaddr(p4d) pgd_page_vaddr(p4d) - -#define __p4d(x) __pgd(x) -#define set_p4d(p4dp, p4d) set_pgd(p4dp, p4d) - -#undef p4d_free_tlb -#define p4d_free_tlb(tlb, x, addr) do { } while (0) -#define p4d_free(mm, x) do { } while (0) - -#undef p4d_addr_end -#define p4d_addr_end(addr, end) (end) - -#endif diff --git a/include/linux/mm.h b/include/linux/mm.h index 66e0977f970a..e220ce5185ad 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2069,11 +2069,6 @@ int __pte_alloc_kernel(pmd_t *pmd); #if defined(CONFIG_MMU) -/* - * The following ifdef needed to get the 5level-fixup.h header to work. - * Remove it when 5level-fixup.h has been removed. - */ -#ifndef __ARCH_HAS_5LEVEL_HACK static inline p4d_t *p4d_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long address) { @@ -2102,8 +2097,6 @@ static inline p4d_t *p4d_alloc_track(struct mm_struct *mm, pgd_t *pgd, return p4d_offset(pgd, address); } -#endif /* !__ARCH_HAS_5LEVEL_HACK */ - static inline pud_t *pud_alloc_track(struct mm_struct *mm, p4d_t *p4d, unsigned long address, pgtbl_mod_mask *mod_mask) -- cgit v1.2.3