+int __init page_in_phys_avail(unsigned long paddr)
+{
+ int i;
+
+ paddr &= PAGE_MASK;
+
+ for (i = 0; i < pavail_rescan_ents; i++) {
+ unsigned long start, end;
+
+ start = pavail_rescan[i].phys_addr;
+ end = start + pavail_rescan[i].reg_size;
+
+ if (paddr >= start && paddr < end)
+ return 1;
+ }
+ if (paddr >= kern_base && paddr < (kern_base + kern_size))
+ return 1;
+#ifdef CONFIG_BLK_DEV_INITRD
+ if (paddr >= __pa(initrd_start) &&
+ paddr < __pa(PAGE_ALIGN(initrd_end)))
+ return 1;
+#endif
+
+ return 0;
+}
+