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Peter Anvin" , Andrew Morton , "open list:MEMORY MANAGEMENT" Content-Transfer-Encoding: quoted-printable Message-Id: <879D0856-4807-4FB8-85D9-2E5C42C72659@gmail.com> References: <20241223025751.3268975-1-riel@surriel.com> <20241223025751.3268975-4-riel@surriel.com> To: Rik van Riel X-Mailer: Apple Mail (2.3826.300.87.4.3) > On 23 Dec 2024, at 4:55, Rik van Riel wrote: >=20 > --- a/arch/x86/kernel/setup.c > +++ b/arch/x86/kernel/setup.c > @@ -138,6 +138,10 @@ __visible unsigned long mmu_cr4_features = __ro_after_init; > __visible unsigned long mmu_cr4_features __ro_after_init =3D = X86_CR4_PAE; > #endif >=20 > +#ifdef CONFIG_CPU_SUP_AMD > +u16 invlpgb_count_max; Any reason to mark it also as __ro_after_init?=