From a36159eec6ca17402b0e146b86efaf76568dc353 Mon Sep 17 00:00:00 2001 From: hc <hc@nodka.com> Date: Fri, 20 Sep 2024 01:41:23 +0000 Subject: [PATCH] 重命名 AX88772C_eeprom/asix.c 为 asix_mac.c --- kernel/arch/openrisc/mm/init.c | 54 +++++++++++++++++++----------------------------------- 1 files changed, 19 insertions(+), 35 deletions(-) diff --git a/kernel/arch/openrisc/mm/init.c b/kernel/arch/openrisc/mm/init.c index 6972d5d..5e88c35 100644 --- a/kernel/arch/openrisc/mm/init.c +++ b/kernel/arch/openrisc/mm/init.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * OpenRISC idle.c * @@ -8,11 +9,6 @@ * Modifications for the OpenRISC architecture: * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com> * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #include <linux/signal.h> @@ -26,16 +22,13 @@ #include <linux/mm.h> #include <linux/swap.h> #include <linux/smp.h> -#include <linux/bootmem.h> +#include <linux/memblock.h> #include <linux/init.h> #include <linux/delay.h> #include <linux/blkdev.h> /* for initrd_* */ #include <linux/pagemap.h> -#include <linux/memblock.h> -#include <asm/segment.h> #include <asm/pgalloc.h> -#include <asm/pgtable.h> #include <asm/dma.h> #include <asm/io.h> #include <asm/tlb.h> @@ -51,17 +44,14 @@ static void __init zone_sizes_init(void) { - unsigned long zones_size[MAX_NR_ZONES]; - - /* Clear the zone sizes */ - memset(zones_size, 0, sizeof(zones_size)); + unsigned long max_zone_pfn[MAX_NR_ZONES] = { 0 }; /* * We use only ZONE_NORMAL */ - zones_size[ZONE_NORMAL] = max_low_pfn; + max_zone_pfn[ZONE_NORMAL] = max_low_pfn; - free_area_init(zones_size); + free_area_init(max_zone_pfn); } extern const char _s_kernel_ro[], _e_kernel_ro[]; @@ -74,29 +64,32 @@ */ static void __init map_ram(void) { + phys_addr_t start, end; unsigned long v, p, e; pgprot_t prot; pgd_t *pge; + p4d_t *p4e; pud_t *pue; pmd_t *pme; pte_t *pte; + u64 i; /* These mark extents of read-only kernel pages... * ...from vmlinux.lds.S */ - struct memblock_region *region; v = PAGE_OFFSET; - for_each_memblock(memory, region) { - p = (u32) region->base & PAGE_MASK; - e = p + (u32) region->size; + for_each_mem_range(i, &start, &end) { + p = (u32) start & PAGE_MASK; + e = (u32) end; v = (u32) __va(p); pge = pgd_offset_k(v); while (p < e) { int j; - pue = pud_offset(pge, v); + p4e = p4d_offset(pge, v); + pue = pud_offset(p4e, v); pme = pmd_offset(pue, v); if ((u32) pue != (u32) pge || (u32) pme != (u32) pge) { @@ -106,7 +99,10 @@ } /* Alloc one page for holding PTE's... */ - pte = (pte_t *) __va(memblock_alloc(PAGE_SIZE, PAGE_SIZE)); + pte = memblock_alloc_raw(PAGE_SIZE, PAGE_SIZE); + if (!pte) + panic("%s: Failed to allocate page for PTEs\n", + __func__); set_pmd(pme, __pmd(_KERNPG_TABLE + __pa(pte))); /* Fill the newly allocated page with PTE'S */ @@ -125,7 +121,7 @@ } printk(KERN_INFO "%s: Memory: 0x%x-0x%x\n", __func__, - region->base, region->base + region->size); + start, end); } } @@ -213,23 +209,11 @@ memset((void *)empty_zero_page, 0, PAGE_SIZE); /* this will put all low memory onto the freelists */ - free_all_bootmem(); + memblock_free_all(); mem_init_print_info(NULL); printk("mem_init_done ...........................................\n"); mem_init_done = 1; return; -} - -#ifdef CONFIG_BLK_DEV_INITRD -void free_initrd_mem(unsigned long start, unsigned long end) -{ - free_reserved_area((void *)start, (void *)end, -1, "initrd"); -} -#endif - -void free_initmem(void) -{ - free_initmem_default(-1); } -- Gitblit v1.6.2