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x86/mm: Stop pretending pgtable_l5_enabled is a variable

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pgtable_l5_enabled is defined using cpu_feature_enabled() but we refer
to it as a variable. This is misleading.

Make pgtable_l5_enabled() a function.

We cannot literally define it as a function due to circular dependencies
between header files. Function-alike macros is close enough.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Hugh Dickins <hughd@google.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20180518103528.59260-4-kirill.shutemov@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Kirill A. Shutemov
2018-05-18 13:35:24 +03:00
committed by Ingo Molnar
parent ad3fe525b9
commit ed7588d5dc
19 changed files with 47 additions and 42 deletions
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4
arch/x86/include/asm/sparsemem.h
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@@ -27,8 +27,8 @@
# endif
#else /* CONFIG_X86_32 */
# define SECTION_SIZE_BITS 27 /* matt - 128 is convenient right now */
# define MAX_PHYSADDR_BITS (pgtable_l5_enabled ? 52 : 44)
# define MAX_PHYSMEM_BITS (pgtable_l5_enabled ? 52 : 46)
# define MAX_PHYSADDR_BITS (pgtable_l5_enabled() ? 52 : 44)
# define MAX_PHYSMEM_BITS (pgtable_l5_enabled() ? 52 : 46)
#endif
#endif /* CONFIG_SPARSEMEM */