On Fri, Feb 15, 2019 at 05:02:22PM +0000, Steven Price wrote: > diff --git a/arch/arm64/include/asm/pgtable.h > b/arch/arm64/include/asm/pgtable.h > index de70c1eabf33..09d308921625 100644 > --- a/arch/arm64/include/asm/pgtable.h > +++ b/arch/arm64/include/asm/pgtable.h > @@ -428,6 +428,7 @@ extern pgprot_t phys_mem_access_prot(struct file *file, > unsigned long pfn, > PMD_TYPE_TABLE) > #define pmd_sect(pmd) ((pmd_val(pmd) & PMD_TYPE_MASK) == \ > PMD_TYPE_SECT) > +#define pmd_large(x) pmd_sect(x) > > #if defined(CONFIG_ARM64_64K_PAGES) || CONFIG_PGTABLE_LEVELS < 3 > #define pud_sect(pud) (0) > @@ -435,6 +436,7 @@ extern pgprot_t phys_mem_access_prot(struct file *file, > unsigned long pfn, > #else > #define pud_sect(pud) ((pud_val(pud) & PUD_TYPE_MASK) == \ > PUD_TYPE_SECT) > +#define pud_large(x) pud_sect(x) > #define pud_table(pud) ((pud_val(pud) & PUD_TYPE_MASK) == \ > PUD_TYPE_TABLE) > #endif
So on x86 p*d_large() also matches p*d_huge() and thp, But it is not clear to me this p*d_sect() thing does so, given your definitions. See here why I care: http://lkml.kernel.org/r/20190201124741.ge31...@hirez.programming.kicks-ass.net
