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yaml --- r: 356208 b: refs/heads/master c: ddd3509 h: refs/heads/master v: v3
git-mirror · Nov 17, 2012 · 856d279 · 856d279
1 parent 4509840
commit 856d279
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Showing 2 changed files with 10 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 22c8ca2ac256bb681be791858b35502b5d37e73b
+refs/heads/master: ddd3509df8f8d4f1cf4784f559d702ce00dc8846
diff --git a/trunk/arch/x86/mm/init.c b/trunk/arch/x86/mm/init.c
@@ -25,6 +25,15 @@ unsigned long __meminitdata pgt_buf_top;
 
 static unsigned long min_pfn_mapped;
 
+/*
+ * Pages returned are already directly mapped.
+ *
+ * Changing that is likely to break Xen, see commit:
+ *
+ *    279b706 x86,xen: introduce x86_init.mapping.pagetable_reserve
+ *
+ * for detailed information.
+ */
 __ref void *alloc_low_pages(unsigned int num)
 {
 	unsigned long pfn;