forked from Minki/linux
Revert "arm64: hugetlb: partial revert of 66b3923a1a0f"
This reverts commitff7925848b
. Now that the contiguous-hint hugetlb regression has been debugged and fixed upstream by66ee95d16a
("mm: exclude HugeTLB pages from THP page_mapped() logic"), we can revert the previous partial revert of this feature. Signed-off-by: Will Deacon <will.deacon@arm.com>
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@ -306,6 +306,10 @@ static __init int setup_hugepagesz(char *opt)
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hugetlb_add_hstate(PMD_SHIFT - PAGE_SHIFT);
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} else if (ps == PUD_SIZE) {
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hugetlb_add_hstate(PUD_SHIFT - PAGE_SHIFT);
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} else if (ps == (PAGE_SIZE * CONT_PTES)) {
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hugetlb_add_hstate(CONT_PTE_SHIFT);
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} else if (ps == (PMD_SIZE * CONT_PMDS)) {
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hugetlb_add_hstate((PMD_SHIFT + CONT_PMD_SHIFT) - PAGE_SHIFT);
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} else {
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hugetlb_bad_size();
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pr_err("hugepagesz: Unsupported page size %lu K\n", ps >> 10);
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@ -314,3 +318,13 @@ static __init int setup_hugepagesz(char *opt)
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return 1;
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}
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__setup("hugepagesz=", setup_hugepagesz);
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#ifdef CONFIG_ARM64_64K_PAGES
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static __init int add_default_hugepagesz(void)
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{
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if (size_to_hstate(CONT_PTES * PAGE_SIZE) == NULL)
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hugetlb_add_hstate(CONT_PMD_SHIFT);
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return 0;
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}
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arch_initcall(add_default_hugepagesz);
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#endif
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