Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752775AbaLXM3A (ORCPT ); Wed, 24 Dec 2014 07:29:00 -0500 Received: from mga09.intel.com ([134.134.136.24]:55472 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752071AbaLXMXL (ORCPT ); Wed, 24 Dec 2014 07:23:11 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.07,638,1413270000"; d="scan'208";a="642376387" From: "Kirill A. Shutemov" To: akpm@linux-foundation.org Cc: peterz@infradead.org, mingo@kernel.org, davej@redhat.com, sasha.levin@oracle.com, hughd@google.com, linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, "Kirill A. Shutemov" , Geert Uytterhoeven Subject: [PATCH 21/38] m68k: drop _PAGE_FILE and pte_file()-related helpers Date: Wed, 24 Dec 2014 14:22:29 +0200 Message-Id: <1419423766-114457-22-git-send-email-kirill.shutemov@linux.intel.com> X-Mailer: git-send-email 2.1.3 In-Reply-To: <1419423766-114457-1-git-send-email-kirill.shutemov@linux.intel.com> References: <1419423766-114457-1-git-send-email-kirill.shutemov@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org We've replaced remap_file_pages(2) implementation with emulation. Nobody creates non-linear mapping anymore. Signed-off-by: Kirill A. Shutemov Cc: Geert Uytterhoeven --- arch/m68k/include/asm/mcf_pgtable.h | 17 ----------------- arch/m68k/include/asm/motorola_pgtable.h | 15 --------------- arch/m68k/include/asm/pgtable_no.h | 2 -- arch/m68k/include/asm/sun3_pgtable.h | 15 --------------- 4 files changed, 49 deletions(-) diff --git a/arch/m68k/include/asm/mcf_pgtable.h b/arch/m68k/include/asm/mcf_pgtable.h index 3c793682e5d9..7a4d8ee0b161 100644 --- a/arch/m68k/include/asm/mcf_pgtable.h +++ b/arch/m68k/include/asm/mcf_pgtable.h @@ -35,7 +35,6 @@ * hitting hardware. */ #define CF_PAGE_DIRTY 0x00000001 -#define CF_PAGE_FILE 0x00000200 #define CF_PAGE_ACCESSED 0x00001000 #define _PAGE_CACHE040 0x020 /* 68040 cache mode, cachable, copyback */ @@ -243,11 +242,6 @@ static inline int pte_young(pte_t pte) return pte_val(pte) & CF_PAGE_ACCESSED; } -static inline int pte_file(pte_t pte) -{ - return pte_val(pte) & CF_PAGE_FILE; -} - static inline int pte_special(pte_t pte) { return 0; @@ -391,19 +385,8 @@ static inline void cache_page(void *vaddr) *ptep = pte_mkcache(*ptep); } -#define PTE_FILE_MAX_BITS 21 #define PTE_FILE_SHIFT 11 -static inline unsigned long pte_to_pgoff(pte_t pte) -{ - return pte_val(pte) >> PTE_FILE_SHIFT; -} - -static inline pte_t pgoff_to_pte(unsigned pgoff) -{ - return __pte((pgoff << PTE_FILE_SHIFT) + CF_PAGE_FILE); -} - /* * Encode and de-code a swap entry (must be !pte_none(e) && !pte_present(e)) */ diff --git a/arch/m68k/include/asm/motorola_pgtable.h b/arch/m68k/include/asm/motorola_pgtable.h index e0fdd4d08075..0085aab80e5a 100644 --- a/arch/m68k/include/asm/motorola_pgtable.h +++ b/arch/m68k/include/asm/motorola_pgtable.h @@ -28,7 +28,6 @@ #define _PAGE_CHG_MASK (PAGE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY | _PAGE_NOCACHE) #define _PAGE_PROTNONE 0x004 -#define _PAGE_FILE 0x008 /* pagecache or swap? */ #ifndef __ASSEMBLY__ @@ -168,7 +167,6 @@ static inline void pgd_set(pgd_t *pgdp, pmd_t *pmdp) static inline int pte_write(pte_t pte) { return !(pte_val(pte) & _PAGE_RONLY); } static inline int pte_dirty(pte_t pte) { return pte_val(pte) & _PAGE_DIRTY; } static inline int pte_young(pte_t pte) { return pte_val(pte) & _PAGE_ACCESSED; } -static inline int pte_file(pte_t pte) { return pte_val(pte) & _PAGE_FILE; } static inline int pte_special(pte_t pte) { return 0; } static inline pte_t pte_wrprotect(pte_t pte) { pte_val(pte) |= _PAGE_RONLY; return pte; } @@ -266,19 +264,6 @@ static inline void cache_page(void *vaddr) } } -#define PTE_FILE_MAX_BITS 28 - -static inline unsigned long pte_to_pgoff(pte_t pte) -{ - return pte.pte >> 4; -} - -static inline pte_t pgoff_to_pte(unsigned off) -{ - pte_t pte = { (off << 4) + _PAGE_FILE }; - return pte; -} - /* Encode and de-code a swap entry (must be !pte_none(e) && !pte_present(e)) */ #define __swp_type(x) (((x).val >> 4) & 0xff) #define __swp_offset(x) ((x).val >> 12) diff --git a/arch/m68k/include/asm/pgtable_no.h b/arch/m68k/include/asm/pgtable_no.h index 11859b86b1f9..ac7d87a02335 100644 --- a/arch/m68k/include/asm/pgtable_no.h +++ b/arch/m68k/include/asm/pgtable_no.h @@ -37,8 +37,6 @@ extern void paging_init(void); #define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) }) #define __swp_entry_to_pte(x) ((pte_t) { (x).val }) -static inline int pte_file(pte_t pte) { return 0; } - /* * ZERO_PAGE is a global shared page that is always zero: used * for zero-mapped memory areas etc.. diff --git a/arch/m68k/include/asm/sun3_pgtable.h b/arch/m68k/include/asm/sun3_pgtable.h index f55aa04161e8..48657f9fdece 100644 --- a/arch/m68k/include/asm/sun3_pgtable.h +++ b/arch/m68k/include/asm/sun3_pgtable.h @@ -38,8 +38,6 @@ #define _PAGE_PRESENT (SUN3_PAGE_VALID) #define _PAGE_ACCESSED (SUN3_PAGE_ACCESSED) -#define PTE_FILE_MAX_BITS 28 - /* Compound page protection values. */ //todo: work out which ones *should* have SUN3_PAGE_NOCACHE and fix... // is it just PAGE_KERNEL and PAGE_SHARED? @@ -168,7 +166,6 @@ static inline void pgd_clear (pgd_t *pgdp) {} static inline int pte_write(pte_t pte) { return pte_val(pte) & SUN3_PAGE_WRITEABLE; } static inline int pte_dirty(pte_t pte) { return pte_val(pte) & SUN3_PAGE_MODIFIED; } static inline int pte_young(pte_t pte) { return pte_val(pte) & SUN3_PAGE_ACCESSED; } -static inline int pte_file(pte_t pte) { return pte_val(pte) & SUN3_PAGE_ACCESSED; } static inline int pte_special(pte_t pte) { return 0; } static inline pte_t pte_wrprotect(pte_t pte) { pte_val(pte) &= ~SUN3_PAGE_WRITEABLE; return pte; } @@ -202,18 +199,6 @@ static inline pmd_t *pmd_offset (pgd_t *pgd, unsigned long address) return (pmd_t *) pgd; } -static inline unsigned long pte_to_pgoff(pte_t pte) -{ - return pte.pte & SUN3_PAGE_PGNUM_MASK; -} - -static inline pte_t pgoff_to_pte(unsigned off) -{ - pte_t pte = { off + SUN3_PAGE_ACCESSED }; - return pte; -} - - /* Find an entry in the third-level pagetable. */ #define pte_index(address) ((address >> PAGE_SHIFT) & (PTRS_PER_PTE-1)) #define pte_offset_kernel(pmd, address) ((pte_t *) __pmd_page(*pmd) + pte_index(address)) -- 2.1.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/