ix86: Don't waste fixmap entries

The vsyscall related pvclock entries can only ever be used on
x86-64, and hence they shouldn't even get allocated for 32-bit
kernels (the more that it is there where address space is
relatively precious).
Signed-off-by: NJan Beulich <jbeulich@suse.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Link: http://lkml.kernel.org/r/51A60F1F02000078000D997C@nat28.tlf.novell.comSigned-off-by: NIngo Molnar <mingo@kernel.org>

arch/x86/include/asm/fixmap.h

@@ -81,10 +81,10 @@ enum fixed_addresses {
 			    + ((VSYSCALL_END-VSYSCALL_START) >> PAGE_SHIFT) - 1,
 	VVAR_PAGE,
 	VSYSCALL_HPET,
-#endif
 #ifdef CONFIG_PARAVIRT_CLOCK
 	PVCLOCK_FIXMAP_BEGIN,
 	PVCLOCK_FIXMAP_END = PVCLOCK_FIXMAP_BEGIN+PVCLOCK_VSYSCALL_NR_PAGES-1,
+#endif
 #endif
 	FIX_DBGP_BASE,
 	FIX_EARLYCON_MEM_BASE,