[Xen-changelog] [xen-unstable] [IA64] Add arch_free_page()

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User awilliam@xxxxxxxxxxxx
# Date 1170266396 25200
# Node ID ef646312685f8dfadd9edcaf594da7b99f3552ec
# Parent  6d38ae7927cf8170a130cd0c45880505fa04d6d5
[IA64] Add arch_free_page()

Without this, Linux can hit bad_page()

Signed-off-by: Isaku Yamahata <yamahata@xxxxxxxxxxxxx>
---
 linux-2.6-xen-sparse/include/asm-ia64/page.h |    9 +++++++++
 1 files changed, 9 insertions(+)

diff -r 6d38ae7927cf -r ef646312685f 
linux-2.6-xen-sparse/include/asm-ia64/page.h
--- a/linux-2.6-xen-sparse/include/asm-ia64/page.h      Wed Jan 31 10:30:54 
2007 -0700
+++ b/linux-2.6-xen-sparse/include/asm-ia64/page.h      Wed Jan 31 10:59:56 
2007 -0700
@@ -238,6 +238,15 @@ get_order (unsigned long size)
 #include <xen/features.h>      // to compile netback, netfront
 #include <asm/maddr.h>
 
+#define arch_free_page(_page, _order)          \
+({                                             \
+       int foreign = PageForeign(_page);       \
+       if (foreign)                            \
+               PageForeignDestructor(_page);   \
+       foreign;                                \
+})
+#define HAVE_ARCH_FREE_PAGE
+
 #endif /* CONFIG_XEN */
 #endif /* __ASSEMBLY__ */
 

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