X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=mm%2Fsparse.c;h=36511c7b5e2c797067ccb539646f580aa8ec1012;hb=58cf35228fec541418cc3bd781d6c069d904815e;hp=d9409ba7a1a174c1db4b70273dd21edc52ea0b57;hpb=d40cee245ff6ad05d3448401d7320be82c1c5af1;p=linux-2.6

diff --git a/mm/sparse.c b/mm/sparse.c
index d9409ba7a1..36511c7b5e 100644
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -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;