Messages in this thread Patch in this message | | | From | Mike Kravetz <> | Subject | [PATCH] arm64/hugetlb: fix CMA gigantic page order for non-4K PAGE_SIZE | Date | Tue, 5 Oct 2021 13:25:29 -0700 |
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For non-4K PAGE_SIZE configs, the largest gigantic huge page size is CONT_PMD_SHIFT order.
Fixes: abb7962adc80 ("arm64/hugetlb: Reserve CMA areas for gigantic pages on 16K and 64K configs") Signed-off-by: Mike Kravetz <mike.kravetz@oracle.com> Cc: <stable@vger.kernel.org> --- arch/arm64/mm/hugetlbpage.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/mm/hugetlbpage.c b/arch/arm64/mm/hugetlbpage.c index 23505fc35324..a8158c948966 100644 --- a/arch/arm64/mm/hugetlbpage.c +++ b/arch/arm64/mm/hugetlbpage.c @@ -43,7 +43,7 @@ void __init arm64_hugetlb_cma_reserve(void) #ifdef CONFIG_ARM64_4K_PAGES order = PUD_SHIFT - PAGE_SHIFT; #else - order = CONT_PMD_SHIFT + PMD_SHIFT - PAGE_SHIFT; + order = CONT_PMD_SHIFT - PAGE_SHIFT; #endif /* * HugeTLB CMA reservation is required for gigantic -- 2.31.1
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