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| author | Peng Fan <peng.fan@nxp.com> | 2021-12-15 14:45:58 +0800 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2022-01-20 09:15:16 +0000 |
| commit | bb425a7598479fa0f171ec806033c440f218b0ce (patch) | |
| tree | b1da7d9428039d4de49267d8fbe9ea2a154fa01b | |
| parent | 3364c6ce23c6e347c63fc895e0d6d1e8a9407849 (diff) | |
| download | lwn-bb425a7598479fa0f171ec806033c440f218b0ce.tar.gz lwn-bb425a7598479fa0f171ec806033c440f218b0ce.zip | |
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>
| -rw-r--r-- | arch/arm64/mm/init.c | 2 |
1 files changed, 1 insertions, 1 deletions
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. |