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authorAnshuman Khandual <[email protected]>2021-09-20 14:59:31 +0530
committerWill Deacon <[email protected]>2021-09-29 16:54:33 +0100
commitf8b46c4b51ab109457770e662bb3d0cde390879f (patch)
treea90f0ecfb87f95f31302461333b6c813f27bdaff /tools/perf/scripts/python/export-to-sqlite.py
parente63cf610ead18d5f8df0739a36cba57ccba43f6b (diff)
arm64/mm: Add pud_sect_supported()
Section mapping at PUD level is supported only on 4K pages and currently it gets verified with explicit #ifdef or IS_ENABLED() constructs. This adds a new helper pud_sect_supported() for this purpose, which particularly cleans up the HugeTLB code path. It updates relevant switch statements with checks for __PAGETABLE_PMD_FOLDED in order to avoid build failures caused with two identical switch case values in those code blocks. Cc: Catalin Marinas <[email protected]> Cc: Will Deacon <[email protected]> Cc: [email protected] Cc: [email protected] Suggested-by: Mark Rutland <[email protected]> Signed-off-by: Anshuman Khandual <[email protected]> Reviewed-by: Catalin Marinas <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Will Deacon <[email protected]>
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