[v6,27/38] um: Implement the new page table range API

Message ID	20230802151406.3735276-28-willy@infradead.org (mailing list archive)
State	New
Headers	show Return-Path: <owner-linux-mm@kvack.org> From: "Matthew Wilcox (Oracle)" <willy@infradead.org> To: Andrew Morton <akpm@linux-foundation.org> Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>, linux-arch@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Mike Rapoport <rppt@kernel.org>, Richard Weinberger <richard@nod.at>, Anton Ivanov <anton.ivanov@cambridgegreys.com>, Johannes Berg <johannes@sipsolutions.net>, linux-um@lists.infradead.org Subject: [PATCH v6 27/38] um: Implement the new page table range API Date: Wed, 2 Aug 2023 16:13:55 +0100 Message-Id: <20230802151406.3735276-28-willy@infradead.org> In-Reply-To: <20230802151406.3735276-1-willy@infradead.org> References: <20230802151406.3735276-1-willy@infradead.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: owner-linux-mm@kvack.org Precedence: bulk
Series	New page table range API \| expand [v6,00/38] New page table range API [v6,01/38] minmax: Add in_range() macro [v6,02/38] mm: Convert page_table_check_pte_set() to page_table_check_ptes_set() [v6,03/38] mm: Add generic flush_icache_pages() and documentation [v6,04/38] mm: Add folio_flush_mapping() [v6,05/38] mm: Remove ARCH_IMPLEMENTS_FLUSH_DCACHE_FOLIO [v6,06/38] mm: Add default definition of set_ptes() [v6,07/38] alpha: Implement the new page table range API [v6,08/38] arc: Implement the new page table range API [v6,09/38] arm: Implement the new page table range API [v6,10/38] arm64: Implement the new page table range API [v6,11/38] csky: Implement the new page table range API [v6,12/38] hexagon: Implement the new page table range API [v6,13/38] ia64: Implement the new page table range API [v6,14/38] loongarch: Implement the new page table range API [v6,15/38] m68k: Implement the new page table range API [v6,16/38] microblaze: Implement the new page table range API [v6,17/38] mips: Implement the new page table range API [v6,18/38] nios2: Implement the new page table range API [v6,19/38] openrisc: Implement the new page table range API [v6,20/38] parisc: Implement the new page table range API [v6,21/38] powerpc: Implement the new page table range API [v6,22/38] riscv: Implement the new page table range API [v6,23/38] s390: Implement the new page table range API [v6,24/38] sh: Implement the new page table range API [v6,25/38] sparc32: Implement the new page table range API [v6,26/38] sparc64: Implement the new page table range API [v6,27/38] um: Implement the new page table range API [v6,28/38] x86: Implement the new page table range API [v6,29/38] xtensa: Implement the new page table range API [v6,30/38] mm: Remove page_mapping_file() [v6,31/38] mm: Rationalise flush_icache_pages() and flush_icache_page() [v6,32/38] mm: Tidy up set_ptes definition [v6,33/38] mm: Use flush_icache_pages() in do_set_pmd() [v6,34/38] filemap: Add filemap_map_folio_range() [v6,35/38] rmap: add folio_add_file_rmap_range() [v6,36/38] mm: Convert do_set_pte() to set_pte_range() [v6,37/38] filemap: Batch PTE mappings [v6,38/38] mm: Call update_mmu_cache_range() in more page fault handling paths

Message ID

20230802151406.3735276-28-willy@infradead.org (mailing list archive)

State

New

Headers

From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>,
	linux-arch@vger.kernel.org,
	linux-mm@kvack.org,
	linux-kernel@vger.kernel.org,
	Mike Rapoport <rppt@kernel.org>,
	Richard Weinberger <richard@nod.at>,
	Anton Ivanov <anton.ivanov@cambridgegreys.com>,
	Johannes Berg <johannes@sipsolutions.net>,
	linux-um@lists.infradead.org
Subject: [PATCH v6 27/38] um: Implement the new page table range API
Date: Wed,  2 Aug 2023 16:13:55 +0100
Message-Id: <20230802151406.3735276-28-willy@infradead.org>
In-Reply-To: <20230802151406.3735276-1-willy@infradead.org>
References: <20230802151406.3735276-1-willy@infradead.org>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Sender: owner-linux-mm@kvack.org
Precedence: bulk

Series

New page table range API | expand

Commit Message

Matthew Wilcox Aug. 2, 2023, 3:13 p.m. UTC

Add PFN_PTE_SHIFT and update_mmu_cache_range().

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Acked-by: Mike Rapoport (IBM) <rppt@kernel.org>
Cc: Richard Weinberger <richard@nod.at>
Cc: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: linux-um@lists.infradead.org
---
 arch/um/include/asm/pgtable.h | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/arch/um/include/asm/pgtable.h b/arch/um/include/asm/pgtable.h
index a70d1618eb35..44f6c76167d9 100644
--- a/arch/um/include/asm/pgtable.h
+++ b/arch/um/include/asm/pgtable.h
@@ -242,11 +242,7 @@  static inline void set_pte(pte_t *pteptr, pte_t pteval)
 	if(pte_present(*pteptr)) *pteptr = pte_mknewprot(*pteptr);
 }
 
-static inline void set_pte_at(struct mm_struct *mm, unsigned long addr,
-			      pte_t *pteptr, pte_t pteval)
-{
-	set_pte(pteptr, pteval);
-}
+#define PFN_PTE_SHIFT		PAGE_SHIFT
 
 #define __HAVE_ARCH_PTE_SAME
 static inline int pte_same(pte_t pte_a, pte_t pte_b)
@@ -290,6 +286,7 @@  struct mm_struct;
 extern pte_t *virt_to_pte(struct mm_struct *mm, unsigned long addr);
 
 #define update_mmu_cache(vma,address,ptep) do {} while (0)
+#define update_mmu_cache_range(vmf, vma, address, ptep, nr) do {} while (0)
 
 /*
  * Encode/decode swap entries and swap PTEs. Swap PTEs are all PTEs that

[v6,27/38] um: Implement the new page table range API

Commit Message

Patch