Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff

[linux-2.6.git] / arch / um / kernel / mem.c

diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c
index c22825f..44e41a3 100644 (file)
--- a/arch/um/kernel/mem.c
+++ b/arch/um/kernel/mem.c
@@ -1,4 +1,4 @@
-/* 
+/*
  * Copyright (C) 2000 - 2003 Jeff Dike (jdike@addtoit.com)
  * Licensed under the GPL
  */
@@ -19,6 +19,10 @@
 #include "mem_user.h"
 #include "uml_uaccess.h"
 #include "os.h"
+#include "linux/types.h"
+#include "linux/string.h"
+#include "init.h"
+#include "kern_constants.h"
 
 extern char __binary_start;
 
@@ -26,7 +30,7 @@ extern char __binary_start;
 unsigned long *empty_zero_page = NULL;
 unsigned long *empty_bad_page = NULL;
 pgd_t swapper_pg_dir[PTRS_PER_PGD];
-unsigned long highmem;
+unsigned long long highmem;
 int kmalloc_ok = 0;
 
 static unsigned long brk_end;
@@ -53,8 +57,7 @@ static void setup_highmem(unsigned long highmem_start,
        for(i = 0; i < highmem_len >> PAGE_SHIFT; i++){
                page = &mem_map[highmem_pfn + i];
                ClearPageReserved(page);
-               set_bit(PG_highmem, &page->flags);
-               set_page_count(page, 1);
+               init_page_count(page);
                __free_page(page);
        }
 }
@@ -197,7 +200,7 @@ static void init_highmem(void)
 
 static void __init fixaddr_user_init( void)
 {
-#if CONFIG_ARCH_REUSE_HOST_VSYSCALL_AREA
+#ifdef CONFIG_ARCH_REUSE_HOST_VSYSCALL_AREA
        long size = FIXADDR_USER_END - FIXADDR_USER_START;
        pgd_t *pgd;
        pud_t *pud;
@@ -231,8 +234,8 @@ void paging_init(void)
        empty_bad_page = (unsigned long *) alloc_bootmem_low_pages(PAGE_SIZE);
        for(i=0;i<sizeof(zones_size)/sizeof(zones_size[0]);i++) 
                zones_size[i] = 0;
-       zones_size[0] = (end_iomem >> PAGE_SHIFT) - (uml_physmem >> PAGE_SHIFT);
-       zones_size[2] = highmem >> PAGE_SHIFT;
+       zones_size[ZONE_DMA] = (end_iomem >> PAGE_SHIFT) - (uml_physmem >> PAGE_SHIFT);
+       zones_size[ZONE_HIGHMEM] = highmem >> PAGE_SHIFT;
        free_area_init(zones_size);
 
        /*
@@ -249,7 +252,7 @@ void paging_init(void)
 #endif
 }
 
-struct page *arch_validate(struct page *page, int mask, int order)
+struct page *arch_validate(struct page *page, gfp_t mask, int order)
 {
        unsigned long addr, zero = 0;
        int i;
@@ -293,7 +296,7 @@ void free_initrd_mem(unsigned long start, unsigned long end)
                        (end - start) >> 10);
        for (; start < end; start += PAGE_SIZE) {
                ClearPageReserved(virt_to_page(start));
-               set_page_count(virt_to_page(start), 1);
+               init_page_count(virt_to_page(start));
                free_page(start);
                totalram_pages++;
        }
@@ -369,6 +372,16 @@ struct page *pte_alloc_one(struct mm_struct *mm, unsigned long address)
        return pte;
 }
 
+struct iomem_region *iomem_regions = NULL;
+int iomem_size = 0;
+
+extern int parse_iomem(char *str, int *add) __init;
+
+__uml_setup("iomem=", parse_iomem,
+"iomem=<name>,<file>\n"
+"    Configure <file> as an IO memory region named <name>.\n\n"
+);
+
 /*
  * Overrides for Emacs so that we follow Linus's tabbing style.
  * Emacs will notice this stuff at the end of the file and automatically