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[Xen-devel] [PATCH 2/3] Fix bugs in frame table setup function when memo
| To: | Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
|---|---|
| Subject: | [Xen-devel] [PATCH 2/3] Fix bugs in frame table setup function when memory hot-add |
| From: | "Jiang, Yunhong" <yunhong.jiang@xxxxxxxxx> |
| Date: | Mon, 21 Dec 2009 13:56:24 +0800 |
| Accept-language: | en-US |
| Acceptlanguage: | en-US |
| Cc: | "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
| Delivery-date: | Sun, 20 Dec 2009 21:59:11 -0800 |
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| Thread-index: | AcqCAlP1kvmmjbDZRT2CqsF4vPd+aQ== |
| Thread-topic: | [PATCH 2/3] Fix bugs in frame table setup function when memory hot-add |
Fix bugs in frame table setup function when memory hot-add.
Signed-off-by: Jiang, Yunhong <yunhong.jiang@xxxxxxxxx>
diff -r 51b5c07d0d13 xen/arch/x86/x86_64/mm.c
--- a/xen/arch/x86/x86_64/mm.c Thu Dec 17 03:49:26 2009 +0800
+++ b/xen/arch/x86/x86_64/mm.c Thu Dec 17 03:49:32 2009 +0800
@@ -843,7 +843,8 @@ void cleanup_frame_table(struct mem_hota
eva = (unsigned long)pdx_to_page(pfn_to_pdx(epfn));
/* Intialize all page */
- memset(mfn_to_page(spfn), -1, mfn_to_page(epfn) - mfn_to_page(spfn));
+ memset(mfn_to_page(spfn), -1,
+ (unsigned long)mfn_to_page(epfn) - (unsigned
long)mfn_to_page(spfn));
while (sva < eva)
{
@@ -935,7 +936,8 @@ int extend_frame_table(struct mem_hotadd
cidx = find_next_zero_bit(pdx_group_valid, eidx, nidx);
}
- memset(mfn_to_page(spfn), 0, mfn_to_page(epfn) - mfn_to_page(spfn));
+ memset(mfn_to_page(spfn), 0,
+ (unsigned long)mfn_to_page(epfn) - (unsigned
long)mfn_to_page(spfn));
return 0;
}
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