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authorJuergen Gross <jgross@suse.com>2015-09-04 14:05:51 +0200
committerDavid Vrabel <david.vrabel@citrix.com>2015-09-08 16:28:06 +0100
commit626d7508664c4bc8e67f496da4387ecd0c410b8c (patch)
treeaa6f8868b6e18950a16dd8225c7e95a429a0dca9 /include/xen
parentcb9e444b5aaa900bb4310da411315b6947c53e37 (diff)
downloadop-kernel-dev-626d7508664c4bc8e67f496da4387ecd0c410b8c.zip
op-kernel-dev-626d7508664c4bc8e67f496da4387ecd0c410b8c.tar.gz
xen: switch extra memory accounting to use pfns
Instead of using physical addresses for accounting of extra memory areas available for ballooning switch to pfns as this is much less error prone regarding partial pages. Reported-by: Roger Pau Monné <roger.pau@citrix.com> Tested-by: Roger Pau Monné <roger.pau@citrix.com> Signed-off-by: Juergen Gross <jgross@suse.com> Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Diffstat (limited to 'include/xen')
-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 c5ed20b..a5983da 100644
--- a/include/xen/page.h
+++ b/include/xen/page.h
@@ -9,8 +9,8 @@ static inline unsigned long page_to_mfn(struct page *page)
}
struct xen_memory_region {
- phys_addr_t start;
- phys_addr_t size;
+ unsigned long start_pfn;
+ unsigned long n_pfns;
};
#define XEN_EXTRA_MEM_MAX_REGIONS 128 /* == E820MAX */
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