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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-08-27 14:13:33 (GMT)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-08-27 14:13:33 (GMT)
commite372dc6c62bf0246a07f3291a26c562cc8659fbd (patch)
treec7039c1d1005b80e427761ba768d7697ae4a0b72 /arch/x86/xen/p2m.c
parent5d4121c04b3577e37e389b3553d442f44bb346d7 (diff)
parentfea7a08acb13524b47711625eebea40a0ede69a0 (diff)
downloadlinux-fsl-qoriq-e372dc6c62bf0246a07f3291a26c562cc8659fbd.tar.xz
Merge 3.6-rc3 into tty-next
This picks up all of the different fixes in Linus's tree that we also need here. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/x86/xen/p2m.c')
-rw-r--r--arch/x86/xen/p2m.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/xen/p2m.c b/arch/x86/xen/p2m.c
index 64effdc..b2e91d4 100644
--- a/arch/x86/xen/p2m.c
+++ b/arch/x86/xen/p2m.c
@@ -194,6 +194,11 @@ RESERVE_BRK(p2m_mid_mfn, PAGE_SIZE * (MAX_DOMAIN_PAGES / (P2M_PER_PAGE * P2M_MID
* boundary violation will require three middle nodes. */
RESERVE_BRK(p2m_mid_identity, PAGE_SIZE * 2 * 3);
+/* When we populate back during bootup, the amount of pages can vary. The
+ * max we have is seen is 395979, but that does not mean it can't be more.
+ * But some machines can have 3GB I/O holes even. So lets reserve enough
+ * for 4GB of I/O and E820 holes. */
+RESERVE_BRK(p2m_populated, PMD_SIZE * 4);
static inline unsigned p2m_top_index(unsigned long pfn)
{
BUG_ON(pfn >= MAX_P2M_PFN);