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-rw-r--r--arch/x86/include/asm/kexec.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/x86/include/asm/kexec.h b/arch/x86/include/asm/kexec.h
index 6080d2694bad..17483a492f18 100644
--- a/arch/x86/include/asm/kexec.h
+++ b/arch/x86/include/asm/kexec.h
@@ -48,11 +48,11 @@
# define vmcore_elf_check_arch_cross(x) ((x)->e_machine == EM_X86_64)
#else
/* Maximum physical address we can use pages from */
-# define KEXEC_SOURCE_MEMORY_LIMIT (0xFFFFFFFFFFUL)
+# define KEXEC_SOURCE_MEMORY_LIMIT (MAXMEM-1)
/* Maximum address we can reach in physical address mode */
-# define KEXEC_DESTINATION_MEMORY_LIMIT (0xFFFFFFFFFFUL)
+# define KEXEC_DESTINATION_MEMORY_LIMIT (MAXMEM-1)
/* Maximum address we can use for the control pages */
-# define KEXEC_CONTROL_MEMORY_LIMIT (0xFFFFFFFFFFUL)
+# define KEXEC_CONTROL_MEMORY_LIMIT (MAXMEM-1)
/* Allocate one page for the pdp and the second for the code */
# define KEXEC_CONTROL_PAGE_SIZE (4096UL + 4096UL)