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arm64/mm: Make vmemmap_free() available only with CONFIG_MEMORY_HOTPLUG

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vmemmap_free() callsites (mm/sparse.c) and declaration (include/linux/mm.h)
are protected with CONFIG_MEMORY_HOTPLUG. This function is not required if
CONFIG_MEMORY_HOTPLUG is not enabled. Hence move the config wrapper outside
the function definition.

Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Link: https://lore.kernel.org/r/1621842030-23256-1-git-send-email-anshuman.khandual@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Anshuman Khandual 2021-05-24 13:10:30 +05:30 committed by Will Deacon
parent e377ab8231
commit 40221c7376
1 changed files with 3 additions and 2 deletions
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5
arch/arm64/mm/mmu.c
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@ -1166,16 +1166,17 @@ int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node,
return 0;
}
#endif /* !ARM64_SWAPPER_USES_SECTION_MAPS */
#ifdef CONFIG_MEMORY_HOTPLUG
void vmemmap_free(unsigned long start, unsigned long end,
struct vmem_altmap *altmap)
{
#ifdef CONFIG_MEMORY_HOTPLUG
WARN_ON((start < VMEMMAP_START) || (end > VMEMMAP_END));
unmap_hotplug_range(start, end, true, altmap);
free_empty_tables(start, end, VMEMMAP_START, VMEMMAP_END);
#endif
}
#endif /* CONFIG_MEMORY_HOTPLUG */
static inline pud_t *fixmap_pud(unsigned long addr)
{