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Diffstat (limited to 'arch/microblaze/mm/init.c')
-rw-r--r--arch/microblaze/mm/init.c45
1 files changed, 29 insertions, 16 deletions
diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c
index a57cedf36715..f42c2dde8b1c 100644
--- a/arch/microblaze/mm/init.c
+++ b/arch/microblaze/mm/init.c
@@ -15,6 +15,7 @@
#include <linux/initrd.h>
#include <linux/pagemap.h>
#include <linux/pfn.h>
+#include <linux/slab.h>
#include <linux/swap.h>
#include <asm/page.h>
@@ -23,6 +24,9 @@
#include <asm/sections.h>
#include <asm/tlb.h>
+/* Use for MMU and noMMU because of PCI generic code */
+int mem_init_done;
+
#ifndef CONFIG_MMU
unsigned int __page_offset;
EXPORT_SYMBOL(__page_offset);
@@ -30,7 +34,6 @@ EXPORT_SYMBOL(__page_offset);
#else
DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
-int mem_init_done;
static int init_bootmem_done;
#endif /* CONFIG_MMU */
@@ -163,7 +166,6 @@ void free_init_pages(char *what, unsigned long begin, unsigned long end)
for (addr = begin; addr < end; addr += PAGE_SIZE) {
ClearPageReserved(virt_to_page(addr));
init_page_count(virt_to_page(addr));
- memset((void *)addr, 0xcc, PAGE_SIZE);
free_page(addr);
totalram_pages++;
}
@@ -193,12 +195,6 @@ void free_initmem(void)
(unsigned long)(&__init_end));
}
-/* FIXME from arch/powerpc/mm/mem.c*/
-void show_mem(void)
-{
- printk(KERN_NOTICE "%s\n", __func__);
-}
-
void __init mem_init(void)
{
high_memory = (void *)__va(memory_end);
@@ -208,20 +204,14 @@ void __init mem_init(void)
printk(KERN_INFO "Memory: %luk/%luk available\n",
nr_free_pages() << (PAGE_SHIFT-10),
num_physpages << (PAGE_SHIFT-10));
-#ifdef CONFIG_MMU
mem_init_done = 1;
-#endif
}
#ifndef CONFIG_MMU
-/* Check against bounds of physical memory */
-int ___range_ok(unsigned long addr, unsigned long size)
+int page_is_ram(unsigned long pfn)
{
- return ((addr < memory_start) ||
- ((addr + size) > memory_end));
+ return __range_ok(pfn, 0);
}
-EXPORT_SYMBOL(___range_ok);
-
#else
int page_is_ram(unsigned long pfn)
{
@@ -349,4 +339,27 @@ void __init *early_get_page(void)
}
return p;
}
+
#endif /* CONFIG_MMU */
+
+void * __init_refok alloc_maybe_bootmem(size_t size, gfp_t mask)
+{
+ if (mem_init_done)
+ return kmalloc(size, mask);
+ else
+ return alloc_bootmem(size);
+}
+
+void * __init_refok zalloc_maybe_bootmem(size_t size, gfp_t mask)
+{
+ void *p;
+
+ if (mem_init_done)
+ p = kzalloc(size, mask);
+ else {
+ p = alloc_bootmem(size);
+ if (p)
+ memset(p, 0, size);
+ }
+ return p;
+}