From: Oleksandr Tyshchenko <oleksandr_tyshche...@epam.com>
The "end" address must be rounded down before shifting,
otherwise we will insert wrong page range to a heap if address isn't
page aligned.
It seems that a copy-paste mistake took place in the following commit:
0c12972e34b20a26f2b42044b98bf12db7ed62b6
xen/mm: Switch some of page_alloc.c to typesafe MFN
Signed-off-by: Oleksandr Tyshchenko <oleksandr_tyshche...@epam.com>
CC: Andrew Cooper <andrew.coop...@citrix.com>
CC: George Dunlap <george.dun...@eu.citrix.com>
CC: Ian Jackson <ian.jack...@eu.citrix.com>
CC: Jan Beulich <jbeul...@suse.com>
CC: Julien Grall <julien.gr...@arm.com>
CC: Konrad Rzeszutek Wilk <konrad.w...@oracle.com>
CC: Stefano Stabellini <sstabell...@kernel.org>
CC: Tim Deegan <t...@xen.org>
CC: Wei Liu <wei.l...@citrix.com>
CC: xen-de...@lists.xen.org
---
xen/common/page_alloc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/xen/common/page_alloc.c b/xen/common/page_alloc.c
index 186b39a..20ee1e4 100644
--- a/xen/common/page_alloc.c
+++ b/xen/common/page_alloc.c
@@ -2166,7 +2166,7 @@ void init_domheap_pages(paddr_t ps, paddr_t pe)
ASSERT(!in_irq());
smfn = maddr_to_mfn(round_pgup(ps));
- emfn = maddr_to_mfn(round_pgup(pe));
+ emfn = maddr_to_mfn(round_pgdown(pe));
if ( mfn_x(emfn) <= mfn_x(smfn) )
return;
--
2.7.4
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