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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/arch/frv/mm/init.c
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/arch/frv/mm/init.c')
-rw-r--r--ANDROID_3.4.5/arch/frv/mm/init.c206
1 files changed, 0 insertions, 206 deletions
diff --git a/ANDROID_3.4.5/arch/frv/mm/init.c b/ANDROID_3.4.5/arch/frv/mm/init.c
deleted file mode 100644
index a19effcc..00000000
--- a/ANDROID_3.4.5/arch/frv/mm/init.c
+++ /dev/null
@@ -1,206 +0,0 @@
-/* init.c: memory initialisation for FRV
- *
- * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved.
- * Written by David Howells (dhowells@redhat.com)
- *
- * 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.
- *
- * Derived from:
- * - linux/arch/m68knommu/mm/init.c
- * - Copyright (C) 1998 D. Jeff Dionne <jeff@lineo.ca>, Kenneth Albanowski <kjahds@kjahds.com>,
- * - Copyright (C) 2000 Lineo, Inc. (www.lineo.com)
- * - linux/arch/m68k/mm/init.c
- * - Copyright (C) 1995 Hamish Macdonald
- */
-
-#include <linux/signal.h>
-#include <linux/sched.h>
-#include <linux/pagemap.h>
-#include <linux/gfp.h>
-#include <linux/swap.h>
-#include <linux/mm.h>
-#include <linux/kernel.h>
-#include <linux/string.h>
-#include <linux/types.h>
-#include <linux/bootmem.h>
-#include <linux/highmem.h>
-#include <linux/module.h>
-
-#include <asm/setup.h>
-#include <asm/segment.h>
-#include <asm/page.h>
-#include <asm/pgtable.h>
-#include <asm/mmu_context.h>
-#include <asm/virtconvert.h>
-#include <asm/sections.h>
-#include <asm/tlb.h>
-
-#undef DEBUG
-
-/*
- * BAD_PAGE is the page that is used for page faults when linux
- * is out-of-memory. Older versions of linux just did a
- * do_exit(), but using this instead means there is less risk
- * for a process dying in kernel mode, possibly leaving a inode
- * unused etc..
- *
- * BAD_PAGETABLE is the accompanying page-table: it is initialized
- * to point to BAD_PAGE entries.
- *
- * ZERO_PAGE is a special page that is used for zero-initialized
- * data and COW.
- */
-static unsigned long empty_bad_page_table;
-static unsigned long empty_bad_page;
-
-unsigned long empty_zero_page;
-EXPORT_SYMBOL(empty_zero_page);
-
-/*****************************************************************************/
-/*
- * paging_init() continues the virtual memory environment setup which
- * was begun by the code in arch/head.S.
- * The parameters are pointers to where to stick the starting and ending
- * addresses of available kernel virtual memory.
- */
-void __init paging_init(void)
-{
- unsigned long zones_size[MAX_NR_ZONES] = {0, };
-
- /* allocate some pages for kernel housekeeping tasks */
- empty_bad_page_table = (unsigned long) alloc_bootmem_pages(PAGE_SIZE);
- empty_bad_page = (unsigned long) alloc_bootmem_pages(PAGE_SIZE);
- empty_zero_page = (unsigned long) alloc_bootmem_pages(PAGE_SIZE);
-
- memset((void *) empty_zero_page, 0, PAGE_SIZE);
-
-#ifdef CONFIG_HIGHMEM
- if (num_physpages - num_mappedpages) {
- pgd_t *pge;
- pud_t *pue;
- pmd_t *pme;
-
- pkmap_page_table = alloc_bootmem_pages(PAGE_SIZE);
-
- pge = swapper_pg_dir + pgd_index_k(PKMAP_BASE);
- pue = pud_offset(pge, PKMAP_BASE);
- pme = pmd_offset(pue, PKMAP_BASE);
- __set_pmd(pme, virt_to_phys(pkmap_page_table) | _PAGE_TABLE);
- }
-#endif
-
- /* distribute the allocatable pages across the various zones and pass them to the allocator
- */
- zones_size[ZONE_NORMAL] = max_low_pfn - min_low_pfn;
-#ifdef CONFIG_HIGHMEM
- zones_size[ZONE_HIGHMEM] = num_physpages - num_mappedpages;
-#endif
-
- free_area_init(zones_size);
-
-#ifdef CONFIG_MMU
- /* initialise init's MMU context */
- init_new_context(&init_task, &init_mm);
-#endif
-
-} /* end paging_init() */
-
-/*****************************************************************************/
-/*
- *
- */
-void __init mem_init(void)
-{
- unsigned long npages = (memory_end - memory_start) >> PAGE_SHIFT;
- unsigned long tmp;
-#ifdef CONFIG_MMU
- unsigned long loop, pfn;
- int datapages = 0;
-#endif
- int codek = 0, datak = 0;
-
- /* this will put all memory onto the freelists */
- totalram_pages = free_all_bootmem();
-
-#ifdef CONFIG_MMU
- for (loop = 0 ; loop < npages ; loop++)
- if (PageReserved(&mem_map[loop]))
- datapages++;
-
-#ifdef CONFIG_HIGHMEM
- for (pfn = num_physpages - 1; pfn >= num_mappedpages; pfn--) {
- struct page *page = &mem_map[pfn];
-
- ClearPageReserved(page);
- init_page_count(page);
- __free_page(page);
- totalram_pages++;
- }
-#endif
-
- codek = ((unsigned long) &_etext - (unsigned long) &_stext) >> 10;
- datak = datapages << (PAGE_SHIFT - 10);
-
-#else
- codek = (_etext - _stext) >> 10;
- datak = 0; //(_ebss - _sdata) >> 10;
-#endif
-
- tmp = nr_free_pages() << PAGE_SHIFT;
- printk("Memory available: %luKiB/%luKiB RAM, %luKiB/%luKiB ROM (%dKiB kernel code, %dKiB data)\n",
- tmp >> 10,
- npages << (PAGE_SHIFT - 10),
- (rom_length > 0) ? ((rom_length >> 10) - codek) : 0,
- rom_length >> 10,
- codek,
- datak
- );
-
-} /* end mem_init() */
-
-/*****************************************************************************/
-/*
- * free the memory that was only required for initialisation
- */
-void free_initmem(void)
-{
-#if defined(CONFIG_RAMKERNEL) && !defined(CONFIG_PROTECT_KERNEL)
- unsigned long start, end, addr;
-
- start = PAGE_ALIGN((unsigned long) &__init_begin); /* round up */
- end = ((unsigned long) &__init_end) & PAGE_MASK; /* round down */
-
- /* next to check that the page we free is not a partial page */
- for (addr = start; addr < end; addr += PAGE_SIZE) {
- ClearPageReserved(virt_to_page(addr));
- init_page_count(virt_to_page(addr));
- free_page(addr);
- totalram_pages++;
- }
-
- printk("Freeing unused kernel memory: %ldKiB freed (0x%lx - 0x%lx)\n",
- (end - start) >> 10, start, end);
-#endif
-} /* end free_initmem() */
-
-/*****************************************************************************/
-/*
- * free the initial ramdisk memory
- */
-#ifdef CONFIG_BLK_DEV_INITRD
-void __init free_initrd_mem(unsigned long start, unsigned long end)
-{
- int pages = 0;
- for (; start < end; start += PAGE_SIZE) {
- ClearPageReserved(virt_to_page(start));
- init_page_count(virt_to_page(start));
- free_page(start);
- totalram_pages++;
- pages++;
- }
- printk("Freeing initrd memory: %dKiB freed\n", (pages * PAGE_SIZE) >> 10);
-} /* end free_initrd_mem() */
-#endif