From: Keir Fraser Date: Mon, 21 Dec 2009 10:47:34 +0000 (+0000) Subject: Fix bugs in frame table setup function when memory hot-add. X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~12835 X-Git-Url: https://dgit.raspbian.org/%22http:/www.example.com/cgi/%22https:/%22bookmarks://%22Dat/%22http:/www.example.com/cgi/%22https:/%22bookmarks:/%22Dat?a=commitdiff_plain;h=8e73d3d71c9904a0de911f955b431c25fd63e2d1;p=xen.git Fix bugs in frame table setup function when memory hot-add. Signed-off-by: Jiang, Yunhong --- diff --git a/xen/arch/x86/x86_64/mm.c b/xen/arch/x86/x86_64/mm.c index 84b483a497..a6954c743e 100644 --- a/xen/arch/x86/x86_64/mm.c +++ b/xen/arch/x86/x86_64/mm.c @@ -840,7 +840,8 @@ void cleanup_frame_table(struct mem_hotadd_info *info) 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) { @@ -932,7 +933,8 @@ int extend_frame_table(struct mem_hotadd_info *info) 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; }