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authorYasunori Goto <y-goto@jp.fujitsu.com>2008-04-28 02:13:32 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-04-28 08:58:25 -0700
commite70260aabea3af2a84b951e75166dcebe689b88e (patch)
tree196dc5f2804f9f5496f51954330a036e3a2762d8 /include/linux/bootmem.h
parent9d99217a02a06a7cc83f065b73e976970970c58c (diff)
downloadlwn-e70260aabea3af2a84b951e75166dcebe689b88e.tar.gz
lwn-e70260aabea3af2a84b951e75166dcebe689b88e.zip
memory hotplug: make alloc_bootmem_section()
alloc_bootmem_section() can allocate specified section's area. This is used for usemap to keep same section with pgdat by later patch. Signed-off-by: Yasunori Goto <y-goto@jp.fujitsu.com> Cc: Badari Pulavarty <pbadari@us.ibm.com> Cc: Yinghai Lu <yhlu.kernel@gmail.com> Cc: Yasunori Goto <y-goto@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/bootmem.h')
-rw-r--r--include/linux/bootmem.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h
index 4e4e340592fb..6a5dbdc8a7dc 100644
--- a/include/linux/bootmem.h
+++ b/include/linux/bootmem.h
@@ -101,6 +101,8 @@ extern void reserve_bootmem_node(pg_data_t *pgdat,
extern void free_bootmem_node(pg_data_t *pgdat,
unsigned long addr,
unsigned long size);
+extern void *alloc_bootmem_section(unsigned long size,
+ unsigned long section_nr);
#ifndef CONFIG_HAVE_ARCH_BOOTMEM_NODE
#define alloc_bootmem_node(pgdat, x) \