Re: [PATCH 1/2] arm64: mm: apply __ro_after_init to memory_limit
From: Ard Biesheuvel <ardb@kernel.org>
Date: 2021-12-15 07:30:54
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On Wed, 15 Dec 2021 at 07:55, Peng Fan (OSS) [off-list ref] wrote:
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>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
quoted hunk ↗ jump to hunk
--- 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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
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