Hi,
As I described in my previous email, bootmem.c does improper
pfn convertions into phys addr. This simple patch fixes that.
Regards,
Franck.
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--- bootmem.c 7 Apr 2005 16:39:24 -0000 1.2
+++ bootmem.c 8 Apr 2005 13:20:02 -0000
@@ -58,8 +58,8 @@ static unsigned long __init init_bootmem
pgdat_list = pgdat;
mapsize = (mapsize + (sizeof(long) - 1UL)) & ~(sizeof(long) - 1UL);
- bdata->node_bootmem_map = phys_to_virt(mapstart << PAGE_SHIFT);
- bdata->node_boot_start = (start << PAGE_SHIFT);
+ bdata->node_bootmem_map = phys_to_virt(pfn_to_phys(mapstart));
+ bdata->node_boot_start = pfn_to_phys(start);
bdata->node_low_pfn = end;
/*
@@ -86,11 +86,11 @@ static void __init reserve_bootmem_core(
unsigned long sidx = (addr - bdata->node_boot_start)/PAGE_SIZE;
unsigned long eidx = (addr + size - bdata->node_boot_start +
PAGE_SIZE-1)/PAGE_SIZE;
- unsigned long end = (addr + size + PAGE_SIZE-1)/PAGE_SIZE;
+ unsigned long end = phys_to_pfn(PAGE_ALIGN(addr + size));
BUG_ON(!size);
BUG_ON(sidx >= eidx);
- BUG_ON((addr >> PAGE_SHIFT) >= bdata->node_low_pfn);
+ BUG_ON(phys_to_pfn(addr) >= bdata->node_low_pfn);
BUG_ON(end > bdata->node_low_pfn);
for (i = sidx; i < eidx; i++)
@@ -111,7 +111,7 @@ static void __init free_bootmem_core(boo
*/
unsigned long sidx;
unsigned long eidx = (addr + size - bdata->node_boot_start)/PAGE_SIZE;
- unsigned long end = (addr + size)/PAGE_SIZE;
+ unsigned long end = phys_to_pfn(addr + size);
BUG_ON(!size);
BUG_ON(end > bdata->node_low_pfn);
@@ -260,6 +260,7 @@ static unsigned long __init free_all_boo
unsigned long i, count, total = 0;
unsigned long idx;
unsigned long *map;
+ unsigned long mapsize;
int gofast = 0;
BUG_ON(!bdata->node_bootmem_map);
@@ -267,7 +268,7 @@ static unsigned long __init free_all_boo
count = 0;
/* first extant page of the node */
page = virt_to_page(phys_to_virt(bdata->node_boot_start));
- idx = bdata->node_low_pfn - (bdata->node_boot_start >> PAGE_SHIFT);
+ idx = bdata->node_low_pfn - phys_to_pfn(bdata->node_boot_start);
map = bdata->node_bootmem_map;
/* Check physaddr is O(LOG2(BITS_PER_LONG)) page aligned */
if (bdata->node_boot_start == 0 ||
@@ -313,7 +314,9 @@ static unsigned long __init free_all_boo
*/
page = virt_to_page(bdata->node_bootmem_map);
count = 0;
- for (i = 0; i < ((bdata->node_low_pfn-(bdata->node_boot_start >> PAGE_SHIFT))/8 + PAGE_SIZE-1)/PAGE_SIZE; i++,page++) {
+ mapsize = (bdata->node_low_pfn - phys_to_pfn(bdata->node_boot_start)+7)/8;
+ mapsize = (mapsize + PAGE_SIZE-1)/PAGE_SIZE;
+ for (i = 0; i < mapsize; i++, page++) {
count++;
__ClearPageReserved(page);
set_page_count(page, 1);
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