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powerpc/code-patching: Don't call is_vmalloc_or_module_addr() without CONFIG_MODULES

If CONFIG_MODULES is not set, there is no point in checking
whether text is in module area.

This reduced the time needed to activate/deactivate ftrace
by more than 10% on an 8xx.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/f3c701cce00a38620788c0fc43ff0b611a268c54.1647962456.git.christophe.leroy@csgroup.eu

authored by

Christophe Leroy and committed by
Michael Ellerman cb3ac452 65883b78

+1 -1
+1 -1
arch/powerpc/lib/code-patching.c
··· 97 97 { 98 98 unsigned long pfn; 99 99 100 - if (is_vmalloc_or_module_addr(addr)) 100 + if (IS_ENABLED(CONFIG_MODULES) && is_vmalloc_or_module_addr(addr)) 101 101 pfn = vmalloc_to_pfn(addr); 102 102 else 103 103 pfn = __pa_symbol(addr) >> PAGE_SHIFT;