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-rw-r--r--arch/m32r/mm/discontig.c5
-rw-r--r--arch/m32r/mm/init.c2
-rw-r--r--arch/m32r/mm/mmu.S12
3 files changed, 13 insertions, 6 deletions
diff --git a/arch/m32r/mm/discontig.c b/arch/m32r/mm/discontig.c
index b7a78ad429b7..5d2858f6eede 100644
--- a/arch/m32r/mm/discontig.c
+++ b/arch/m32r/mm/discontig.c
@@ -32,6 +32,9 @@ typedef struct {
} mem_prof_t;
static mem_prof_t mem_prof[MAX_NUMNODES];
+extern unsigned long memory_start;
+extern unsigned long memory_end;
+
static void __init mem_prof_init(void)
{
unsigned long start_pfn, holes, free_pfn;
@@ -42,7 +45,7 @@ static void __init mem_prof_init(void)
/* Node#0 SDRAM */
mp = &mem_prof[0];
mp->start_pfn = PFN_UP(CONFIG_MEMORY_START);
- mp->pages = PFN_DOWN(CONFIG_MEMORY_SIZE);
+ mp->pages = PFN_DOWN(memory_end - memory_start);
mp->holes = 0;
mp->free_pfn = PFN_UP(__pa(_end));
diff --git a/arch/m32r/mm/init.c b/arch/m32r/mm/init.c
index 24d429f9358a..9f581df3952b 100644
--- a/arch/m32r/mm/init.c
+++ b/arch/m32r/mm/init.c
@@ -171,7 +171,7 @@ void __init mem_init(void)
printk(KERN_INFO "Memory: %luk/%luk available (%dk kernel code, "
"%dk reserved, %dk data, %dk init)\n",
- (unsigned long) nr_free_pages() << (PAGE_SHIFT-10),
+ nr_free_pages() << (PAGE_SHIFT-10),
num_physpages << (PAGE_SHIFT-10),
codesize >> 10,
reservedpages << (PAGE_SHIFT-10),
diff --git a/arch/m32r/mm/mmu.S b/arch/m32r/mm/mmu.S
index 49a6d16a3d58..e9491a5ae827 100644
--- a/arch/m32r/mm/mmu.S
+++ b/arch/m32r/mm/mmu.S
@@ -150,9 +150,13 @@ ENTRY(tme_handler)
; pmd = pmd_offset(pgd, address);
ld r3, @r3 ; r3: pmd data
- ldi r2, #-4096
beqz r3, 3f ; pmd_none(*pmd) ?
+ and3 r2, r3, #0xfff
+ add3 r2, r2, #-355 ; _KERNPG_TABLE(=0x163)
+ bnez r2, 3f ; pmd_bad(*pmd) ?
+ ldi r2, #-4096
+
; pte = pte_offset(pmd, address);
and r2, r3 ; r2: pte base addr
srl3 r3, r0, #10
@@ -263,9 +267,9 @@ ENTRY(tme_handler)
ld r1, @r3 ; r1: pmd
beqz r1, 3f ; pmd_none(*pmd) ?
;
- and3 r1, r1, #0xeff
- ldi r4, #611 ; _KERNPG_TABLE(=611)
- bne r1, r4, 3f ; !pmd_bad(*pmd) ?
+ and3 r1, r1, #0x3ff
+ ldi r4, #0x163 ; _KERNPG_TABLE(=0x163)
+ bne r1, r4, 3f ; pmd_bad(*pmd) ?
.fillinsn
4: