diff options
| author | Anshuman Khandual <anshuman.khandual@arm.com> | 2024-02-09 08:42:21 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-02-22 21:24:59 +0300 |
| commit | ce70cfb145ad98739c8ae23d070a37863a4c52bb (patch) | |
| tree | 485728b8a03980b3678c1ef24e609b82d944cb59 /arch/arm64/mm | |
| parent | 4acef5694e01a2d7de3066e9a6005d485b4374b9 (diff) | |
| download | linux-ce70cfb145ad98739c8ae23d070a37863a4c52bb.tar.xz | |
mm/hugetlb: move page order check inside hugetlb_cma_reserve()
All platforms could benefit from page order check against MAX_PAGE_ORDER
before allocating a CMA area for gigantic hugetlb pages. Let's move this
check from individual platforms to generic hugetlb.
Link: https://lkml.kernel.org/r/20240209054221.1403364-1-anshuman.khandual@arm.com
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Reviewed-by: Jane Chu <jane.chu@oracle.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'arch/arm64/mm')
| -rw-r--r-- | arch/arm64/mm/hugetlbpage.c | 7 |
1 files changed, 0 insertions, 7 deletions
diff --git a/arch/arm64/mm/hugetlbpage.c b/arch/arm64/mm/hugetlbpage.c index 8116ac599f80..6720ec8d50e7 100644 --- a/arch/arm64/mm/hugetlbpage.c +++ b/arch/arm64/mm/hugetlbpage.c @@ -45,13 +45,6 @@ void __init arm64_hugetlb_cma_reserve(void) else order = CONT_PMD_SHIFT - PAGE_SHIFT; - /* - * HugeTLB CMA reservation is required for gigantic - * huge pages which could not be allocated via the - * page allocator. Just warn if there is any change - * breaking this assumption. - */ - WARN_ON(order <= MAX_PAGE_ORDER); hugetlb_cma_reserve(order); } #endif /* CONFIG_CMA */ |