mm/hugetlb: move page order check inside hugetlb_cma_reserve()

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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>

...

This commit is contained in:

Anshuman Khandual 2024-02-09 11:12:21 +05:30 • committed by Andrew Morton

parent 4acef5694e

commit ce70cfb145

3 changed files with 8 additions and 10 deletions

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7

arch/arm64/mm/hugetlbpage.c

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arch/powerpc/mm/hugetlbpage.c

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mm/hugetlb.c

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