From: Becky Bruce <becky.bruce@freescale.com>
To: linuxppc-dev@ozlabs.org
Subject: [PATCH] POWERPC: Change mem.c to support large physical addresses on 32-bit
Date: Fri, 22 Aug 2008 11:49:42 -0500 [thread overview]
Message-ID: <1219423782-17509-1-git-send-email-becky.bruce@freescale.com> (raw)
Use phys_addr_t for sizes and addresses where appropriate.
Signed-off-by: Becky Bruce <becky.bruce@freescale.com>
---
arch/powerpc/mm/mem.c | 19 ++++++++++---------
1 files changed, 10 insertions(+), 9 deletions(-)
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 1c93c25..89dc32b 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -75,14 +75,14 @@ static inline pte_t *virt_to_kpte(unsigned long vaddr)
int page_is_ram(unsigned long pfn)
{
- unsigned long paddr = (pfn << PAGE_SHIFT);
+ phys_addr_t paddr = ((phys_addr_t)pfn << PAGE_SHIFT);
#ifndef CONFIG_PPC64 /* XXX for now */
return paddr < __pa(high_memory);
#else
int i;
for (i=0; i < lmb.memory.cnt; i++) {
- unsigned long base;
+ phys_addr_t base;
base = lmb.memory.region[i].base;
@@ -195,7 +195,8 @@ EXPORT_SYMBOL_GPL(walk_memory_resource);
void __init do_init_bootmem(void)
{
unsigned long i;
- unsigned long start, bootmap_pages;
+ phys_addr_t start;
+ unsigned long bootmap_pages;
unsigned long total_pages;
int boot_mapsize;
@@ -234,8 +235,8 @@ void __init do_init_bootmem(void)
/* reserve the sections we're already using */
for (i = 0; i < lmb.reserved.cnt; i++) {
- unsigned long addr = lmb.reserved.region[i].base +
- lmb_size_bytes(&lmb.reserved, i) - 1;
+ phys_addr_t addr = lmb.reserved.region[i].base +
+ lmb_size_bytes(&lmb.reserved, i) - 1;
if (addr < lowmem_end_addr)
reserve_bootmem(lmb.reserved.region[i].base,
lmb_size_bytes(&lmb.reserved, i),
@@ -290,7 +291,7 @@ static int __init mark_nonram_nosave(void)
*/
void __init paging_init(void)
{
- unsigned long total_ram = lmb_phys_mem_size();
+ phys_addr_t total_ram = lmb_phys_mem_size();
phys_addr_t top_of_ram = lmb_end_of_DRAM();
unsigned long max_zone_pfns[MAX_NR_ZONES];
@@ -310,10 +311,10 @@ void __init paging_init(void)
kmap_prot = PAGE_KERNEL;
#endif /* CONFIG_HIGHMEM */
- printk(KERN_DEBUG "Top of RAM: 0x%llx, Total RAM: 0x%lx\n",
- (unsigned long long)top_of_ram, total_ram);
+ printk(KERN_DEBUG "Top of RAM: 0x%llx, Total RAM: 0x%llx\n",
+ (unsigned long long)top_of_ram, (unsigned long long)total_ram);
printk(KERN_DEBUG "Memory hole size: %ldMB\n",
- (long int)((top_of_ram - total_ram) >> 20));
+ (unsigned long)((top_of_ram - total_ram) >> 20));
memset(max_zone_pfns, 0, sizeof(max_zone_pfns));
#ifdef CONFIG_HIGHMEM
max_zone_pfns[ZONE_DMA] = lowmem_end_addr >> PAGE_SHIFT;
--
1.5.5.1
next reply other threads:[~2008-08-22 16:49 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-22 16:49 Becky Bruce [this message]
2008-09-23 17:23 ` [PATCH] POWERPC: Change mem.c to support large physical addresses on 32-bit Becky Bruce
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