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authorLinus Torvalds <torvalds@linux-foundation.org>2016-05-04 11:00:05 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-05-04 11:00:05 -0700
commit41143b774af2b37c24026521e6eae4c914bd731d (patch)
tree9d71c08967c8047fdbc68177747dd9c62b73394d /include
parent83858a701cf3271f81dd321c2a81e5666c6ca8f4 (diff)
parent27e0e6385377c4dc68a4ddaf1a35a2dfa951f3c5 (diff)
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Merge tag 'for-linus-4.6-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen regression fixes from David Vrabel: - Fix two regressions causing crashes in 32-bit PV guests - Fix a regression in the evtchn driver * tag 'for-linus-4.6-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: xen/evtchn: fix ring resize when binding new events xen/balloon: Fix crash when ballooning on x86 32 bit PAE xen: Fix page <-> pfn conversion on 32 bit systems
Diffstat (limited to 'include')
-rw-r--r--include/xen/page.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/xen/page.h b/include/xen/page.h
index 96294ac93755..9dc46cb8a0fd 100644
--- a/include/xen/page.h
+++ b/include/xen/page.h
@@ -15,9 +15,9 @@
*/
#define xen_pfn_to_page(xen_pfn) \
- ((pfn_to_page(((unsigned long)(xen_pfn) << XEN_PAGE_SHIFT) >> PAGE_SHIFT)))
+ (pfn_to_page((unsigned long)(xen_pfn) >> (PAGE_SHIFT - XEN_PAGE_SHIFT)))
#define page_to_xen_pfn(page) \
- (((page_to_pfn(page)) << PAGE_SHIFT) >> XEN_PAGE_SHIFT)
+ ((page_to_pfn(page)) << (PAGE_SHIFT - XEN_PAGE_SHIFT))
#define XEN_PFN_PER_PAGE (PAGE_SIZE / XEN_PAGE_SIZE)