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arm64: mm: apply __ro_after_init to memory_limit 

This variable is only set during initialization, so mark with
__ro_after_init.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20211215064559.2843555-1-peng.fan@oss.nxp.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Peng Fan 2021-12-15 14:45:58 +08:00 committed by Catalin Marinas
parent 3364c6ce23
commit bb425a7598
1 changed files with 1 additions and 1 deletions
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arch/arm64/mm/init.c
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@ -172,7 +172,7 @@ int pfn_is_map_memory(unsigned long pfn)
}
EXPORT_SYMBOL(pfn_is_map_memory);
static phys_addr_t memory_limit = PHYS_ADDR_MAX;
static phys_addr_t memory_limit __ro_after_init = PHYS_ADDR_MAX;
/*
* Limit the memory size that was specified via FDT.