[PATCH 1/2] arm64: mm: apply __ro_after_init to memory_limit
From: Peng Fan (OSS) <hidden>
Date: 2021-12-15 06:47:11
Also in:
lkml
Subsystem:
arm64 port (aarch64 architecture), the rest · Maintainers:
Catalin Marinas, Will Deacon, Linus Torvalds
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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