Skip to content

Commit

Permalink
---
Browse files Browse the repository at this point in the history
yaml
---
r: 127667
b: refs/heads/master
c: 0be210f
h: refs/heads/master
i:
  127665: 6c869dc
  127663: 650b05c
v: v3
  • Loading branch information
Dave Hansen authored and Benjamin Herrenschmidt committed Jan 8, 2009
1 parent e65d2f8 commit 4f65b67
Show file tree
Hide file tree
Showing 2 changed files with 21 additions and 18 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 5d21ea2b0e1d9d5d880670dbb9a96efe9b419583
refs/heads/master: 0be210fd664b07531cb238bafb453a2a54c2a7a8
37 changes: 20 additions & 17 deletions trunk/arch/powerpc/mm/numa.c
Original file line number Diff line number Diff line change
Expand Up @@ -822,23 +822,28 @@ static void __init dump_numa_memory_topology(void)
* required. nid is the preferred node and end is the physical address of
* the highest address in the node.
*
* Returns the physical address of the memory.
* Returns the virtual address of the memory.
*/
static void __init *careful_allocation(int nid, unsigned long size,
unsigned long align,
unsigned long end_pfn)
{
void *ret;
int new_nid;
unsigned long ret = __lmb_alloc_base(size, align, end_pfn << PAGE_SHIFT);
unsigned long ret_paddr;

ret_paddr = __lmb_alloc_base(size, align, end_pfn << PAGE_SHIFT);

/* retry over all memory */
if (!ret)
ret = __lmb_alloc_base(size, align, lmb_end_of_DRAM());
if (!ret_paddr)
ret_paddr = __lmb_alloc_base(size, align, lmb_end_of_DRAM());

if (!ret)
if (!ret_paddr)
panic("numa.c: cannot allocate %lu bytes for node %d",
size, nid);

ret = __va(ret_paddr);

/*
* We initialize the nodes in numeric order: 0, 1, 2...
* and hand over control from the LMB allocator to the
Expand All @@ -851,17 +856,15 @@ static void __init *careful_allocation(int nid, unsigned long size,
* instead of the LMB. We don't free the LMB memory
* since it would be useless.
*/
new_nid = early_pfn_to_nid(ret >> PAGE_SHIFT);
new_nid = early_pfn_to_nid(ret_paddr >> PAGE_SHIFT);
if (new_nid < nid) {
ret = (unsigned long)__alloc_bootmem_node(NODE_DATA(new_nid),
ret = __alloc_bootmem_node(NODE_DATA(new_nid),
size, align, 0);

ret = __pa(ret);

dbg("alloc_bootmem %lx %lx\n", ret, size);
dbg("alloc_bootmem %p %lx\n", ret, size);
}

return (void *)ret;
return ret;
}

static struct notifier_block __cpuinitdata ppc64_numa_nb = {
Expand Down Expand Up @@ -956,7 +959,7 @@ void __init do_init_bootmem(void)

for_each_online_node(nid) {
unsigned long start_pfn, end_pfn;
unsigned long bootmem_paddr;
void *bootmem_vaddr;
unsigned long bootmap_pages;

get_pfn_range_for_nid(nid, &start_pfn, &end_pfn);
Expand All @@ -971,7 +974,6 @@ void __init do_init_bootmem(void)
NODE_DATA(nid) = careful_allocation(nid,
sizeof(struct pglist_data),
SMP_CACHE_BYTES, end_pfn);
NODE_DATA(nid) = __va(NODE_DATA(nid));
memset(NODE_DATA(nid), 0, sizeof(struct pglist_data));

dbg("node %d\n", nid);
Expand All @@ -988,14 +990,15 @@ void __init do_init_bootmem(void)
dbg("end_paddr = %lx\n", end_pfn << PAGE_SHIFT);

bootmap_pages = bootmem_bootmap_pages(end_pfn - start_pfn);
bootmem_paddr = (unsigned long)careful_allocation(nid,
bootmem_vaddr = careful_allocation(nid,
bootmap_pages << PAGE_SHIFT,
PAGE_SIZE, end_pfn);
memset(__va(bootmem_paddr), 0, bootmap_pages << PAGE_SHIFT);
memset(bootmem_vaddr, 0, bootmap_pages << PAGE_SHIFT);

dbg("bootmap_paddr = %lx\n", bootmem_paddr);
dbg("bootmap_vaddr = %p\n", bootmem_vaddr);

init_bootmem_node(NODE_DATA(nid), bootmem_paddr >> PAGE_SHIFT,
init_bootmem_node(NODE_DATA(nid),
__pa(bootmem_vaddr) >> PAGE_SHIFT,
start_pfn, end_pfn);

free_bootmem_with_active_regions(nid, end_pfn);
Expand Down

0 comments on commit 4f65b67

Please sign in to comment.