patch-2.4.23 linux-2.4.23/arch/i386/mm/ioremap.c

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diff -urN linux-2.4.22/arch/i386/mm/ioremap.c linux-2.4.23/arch/i386/mm/ioremap.c
@@ -140,7 +140,7 @@
 	 */
 	offset = phys_addr & ~PAGE_MASK;
 	phys_addr &= PAGE_MASK;
-	size = PAGE_ALIGN(last_addr) - phys_addr;
+	size = PAGE_ALIGN(last_addr+1) - phys_addr;
 
 	/*
 	 * Ok, go for it..

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