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[31.183.166.172]) by smtp.gmail.com with ESMTPSA id s16sm1306918lfp.197.2022.01.27.05.22.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 27 Jan 2022 05:22:41 -0800 (PST) From: Karolina Drobnik To: linux-mm@kvack.org Cc: akpm@linux-foundation.org, mike.rapoport@gmail.com, linux-kernel@vger.kernel.org, Karolina Drobnik Subject: [PATCH 05/16] tools/include: Add mm.h file Date: Thu, 27 Jan 2022 14:21:23 +0100 Message-Id: <09f20db2ce4fa1dde0c397b0b6f8f8887af1078b.1643206612.git.karolinadrobnik@gmail.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: References: MIME-Version: 1.0 X-Rspam-User: nil X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: 1E49A8003B X-Stat-Signature: c6mwp4s6pd3ijhcj45fb55ibpme4pe71 Authentication-Results: imf30.hostedemail.com; dkim=pass header.d=gmail.com header.s=20210112 header.b=YUcoE76+; spf=pass (imf30.hostedemail.com: domain of karolinadrobnik@gmail.com designates 209.85.167.47 as permitted sender) smtp.mailfrom=karolinadrobnik@gmail.com; dmarc=pass (policy=none) header.from=gmail.com X-HE-Tag: 1643289762-169949 Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.001309, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Add a stubbed mm.h file with dummy page-related definitions, memory alignment and physical to virtual address conversions, so they can be used in testing. Signed-off-by: Karolina Drobnik --- tools/include/linux/mm.h | 42 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 tools/include/linux/mm.h diff --git a/tools/include/linux/mm.h b/tools/include/linux/mm.h new file mode 100644 index 000000000000..a03d9bba5151 --- /dev/null +++ b/tools/include/linux/mm.h @@ -0,0 +1,42 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _TOOLS_LINUX_MM_H +#define _TOOLS_LINUX_MM_H + +#include +#include + +#define PAGE_SHIFT 12 +#define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT) +#define PAGE_MASK (~(PAGE_SIZE - 1)) + +#define PHYS_ADDR_MAX (~(phys_addr_t)0) + +#define __ALIGN_KERNEL(x, a) __ALIGN_KERNEL_MASK(x, (typeof(x))(a) - 1) +#define __ALIGN_KERNEL_MASK(x, mask) (((x) + (mask)) & ~(mask)) +#define ALIGN(x, a) __ALIGN_KERNEL((x), (a)) +#define ALIGN_DOWN(x, a) __ALIGN_KERNEL((x) - ((a) - 1), (a)) + +#define PAGE_ALIGN(addr) ALIGN(addr, PAGE_SIZE) + +#define __va(x) ((void *)((unsigned long)(x))) +#define __pa(x) ((unsigned long)(x)) + +#define pfn_to_page(pfn) ((void *)((pfn) * PAGE_SIZE)) + +#define phys_to_virt phys_to_virt +static inline void *phys_to_virt(unsigned long address) +{ + return __va(address); +} + +void reserve_bootmem_region(phys_addr_t start, phys_addr_t end); + +static inline void totalram_pages_inc(void) +{ +} + +static inline void totalram_pages_add(long count) +{ +} + +#endif -- 2.30.2