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authorChris Metcalf <cmetcalf@tilera.com>2011-08-02 20:14:02 (GMT)
committerChris Metcalf <cmetcalf@tilera.com>2011-08-02 20:14:02 (GMT)
commit3d071cd313643cf82b1ce1ce4fdf08d63ad53964 (patch)
tree874c1683f32f07614aa123f6ca5cf6c2bd443704 /mm/hugetlb.c
parentcf8e98d15361f8c594da00a3f7a500787fc1a426 (diff)
parent02f8c6aee8df3cdc935e9bdd4f2d020306035dbe (diff)
downloadlinux-fsl-qoriq-3d071cd313643cf82b1ce1ce4fdf08d63ad53964.tar.xz
Merge tag 'v3.0' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-linus
Diffstat (limited to 'mm/hugetlb.c')
-rw-r--r--mm/hugetlb.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 6402458..bfcf153 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -1111,6 +1111,14 @@ static void __init gather_bootmem_prealloc(void)
WARN_ON(page_count(page) != 1);
prep_compound_huge_page(page, h->order);
prep_new_huge_page(h, page, page_to_nid(page));
+ /*
+ * If we had gigantic hugepages allocated at boot time, we need
+ * to restore the 'stolen' pages to totalram_pages in order to
+ * fix confusing memory reports from free(1) and another
+ * side-effects, like CommitLimit going negative.
+ */
+ if (h->order > (MAX_ORDER - 1))
+ totalram_pages += 1 << h->order;
}
}