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Subject[PATCH 1/2] arm64: mm: apply __ro_after_init to memory_limit
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From: Peng Fan <peng.fan@nxp.com>

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

Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
arch/arm64/mm/init.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index a8834434af99..db63cc885771 100644
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -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.
--
2.25.1
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