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yaml
---
r: 95306
b: refs/heads/master
c: 5167464
h: refs/heads/master
v: v3
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Andrew Morton authored and Linus Torvalds committed Apr 30, 2008
1 parent 699d08d commit f425c67
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Showing 2 changed files with 3 additions and 14 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: 3a902c5f6851cd0b64c33efaa3bd57aa27a82efb
refs/heads/master: 5167464446e527b5a3b5618ba0baff93048bcbbe
15 changes: 2 additions & 13 deletions trunk/mm/sparse.c
Original file line number Diff line number Diff line change
Expand Up @@ -250,22 +250,11 @@ static unsigned long *__kmalloc_section_usemap(void)

static unsigned long *__init sparse_early_usemap_alloc(unsigned long pnum)
{
unsigned long *usemap, section_nr;
unsigned long *usemap;
struct mem_section *ms = __nr_to_section(pnum);
int nid = sparse_early_nid(ms);
struct pglist_data *pgdat = NODE_DATA(nid);

/*
* Usemap's page can't be freed until freeing other sections
* which use it. And, Pgdat has same feature.
* If section A has pgdat and section B has usemap for other
* sections (includes section A), both sections can't be removed,
* because there is the dependency each other.
* To solve above issue, this collects all usemap on the same section
* which has pgdat.
*/
section_nr = pfn_to_section_nr(__pa(pgdat) >> PAGE_SHIFT);
usemap = alloc_bootmem_section(usemap_size(), section_nr);
usemap = alloc_bootmem_node(NODE_DATA(nid), usemap_size());
if (usemap)
return usemap;

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