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| author | Peter Zijlstra <peterz@infradead.org> | 2020-11-13 13:46:23 +0300 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2020-12-09 19:08:56 +0300 |
| commit | e6e4f42eb773c1da869af4bad544c26c89cd01ab (patch) | |
| tree | 60c4af059e9e970a3041db5c484dabaa2ca8bb4d /arch/sparc/include | |
| parent | c5eecbb58f65bf1c4effab9a7f283184b469768c (diff) | |
| download | linux-e6e4f42eb773c1da869af4bad544c26c89cd01ab.tar.xz | |
sparc64/mm: Implement pXX_leaf_size() support
Sparc64 has non-pagetable aligned large page support; wire up the
pXX_leaf_size() functions to report the correct pagetable page size.
This enables PERF_SAMPLE_{DATA,CODE}_PAGE_SIZE to report accurate
pagetable leaf sizes.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20201126121121.301768209@infradead.org
Diffstat (limited to 'arch/sparc/include')
| -rw-r--r-- | arch/sparc/include/asm/pgtable_64.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h index 7ef6affa105e..550d3904de65 100644 --- a/arch/sparc/include/asm/pgtable_64.h +++ b/arch/sparc/include/asm/pgtable_64.h @@ -1121,6 +1121,19 @@ extern unsigned long cmdline_memory_size; asmlinkage void do_sparc64_fault(struct pt_regs *regs); +#ifdef CONFIG_HUGETLB_PAGE + +#define pud_leaf_size pud_leaf_size +extern unsigned long pud_leaf_size(pud_t pud); + +#define pmd_leaf_size pmd_leaf_size +extern unsigned long pmd_leaf_size(pmd_t pmd); + +#define pte_leaf_size pte_leaf_size +extern unsigned long pte_leaf_size(pte_t pte); + +#endif /* CONFIG_HUGETLB_PAGE */ + #endif /* !(__ASSEMBLY__) */ #endif /* !(_SPARC64_PGTABLE_H) */ |