add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/xen/privcmd.c
..
..
@@ -760,7 +760,7 @@
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 		goto out;
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 	}
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-	pfns = kcalloc(kdata.num, sizeof(*pfns), GFP_KERNEL);
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+	pfns = kcalloc(kdata.num, sizeof(*pfns), GFP_KERNEL | __GFP_NOWARN);
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 	if (!pfns) {
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 		rc = -ENOMEM;
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 		goto out;