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authorBecky Bruce <beckyb@kernel.crashing.org>2011-07-26 04:11:50 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2011-07-26 07:57:07 +0400
commitee8f248d266ec6966c0ce6b7dec24de43dcc1b58 (patch)
treeca81ada1dc1b46b9fb066331c599d48db4532b39 /include/linux/hugetlb.h
parent2b37c35e6552b0d04d5db9728bc7af22d53f731a (diff)
downloadlinux-ee8f248d266ec6966c0ce6b7dec24de43dcc1b58.tar.xz
hugetlb: add phys addr to struct huge_bootmem_page
This is needed on HIGHMEM systems - we don't always have a virtual address so store the physical address and map it in as needed. [akpm@linux-foundation.org: cleanup] Signed-off-by: Becky Bruce <beckyb@kernel.crashing.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/hugetlb.h')
-rw-r--r--include/linux/hugetlb.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 59225ef27d15..19644e0016bd 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -231,6 +231,9 @@ struct hstate {
struct huge_bootmem_page {
struct list_head list;
struct hstate *hstate;
+#ifdef CONFIG_HIGHMEM
+ phys_addr_t phys;
+#endif
};
struct page *alloc_huge_page_node(struct hstate *h, int nid);