powerpc/fadump: Mark fadump_calculate_reserve_size as __init

If fadump_calculate_reserve_size() is not inlined, there is a modpost warning:

WARNING: modpost: vmlinux.o(.text+0x5196c): Section mismatch in reference from the function fadump_calculate_reserve_size() to the function .init.text:parse_crashkernel()
The function fadump_calculate_reserve_size() references the function __init parse_crashkernel().
This is often because fadump_calculate_reserve_size lacks a __init annotation or the annotation of parse_crashkernel is wrong.

fadump_calculate_reserve_size() calls parse_crashkernel(), which is marked as __init and fadump_calculate_reserve_size() is called from within fadump_reserve_mem(), which is also marked as __init.

Mark fadump_calculate_reserve_size() as __init to fix the section mismatch. Additionally, remove the inline keyword as it is not necessary to inline this function; the compiler is still free to do so if it feels it is worthwhile since commit 889b3c1245de ("compiler: remove CONFIG_OPTIMIZE_INLINING entirely").

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 arch/powerpc/kernel/fadump.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

index 8482739d42f3..eddf362caedc 100644
@@ -292,7 +292,7 @@ static void fadump_show_config(void)
  * that is required for a kernel to boot successfully.
  *
  */
-static inline u64 fadump_calculate_reserve_size(void)
+static __init u64 fadump_calculate_reserve_size(void)
 {
 	u64 base, size, bootmem_min;
 	int ret;

base-commit: 5c88a17e15795226b56d83f579cbb9b7a4864f79

2.31.0.rc0.75.gec125d1bc1

Applied to powerpc/next.

[1/1] powerpc/fadump: Mark fadump_calculate_reserve_size as __init

      https://git.kernel.org/powerpc/c/fbced1546eaaab57a32e56c974ea8acf10c6abd8

cheers