[PATCH v2 1/4] mm: hugetlb: Add huge page size param to huge_ptep_get_and_clear()
David Hildenbrand
david at redhat.com
Thu Feb 20 01:46:52 PST 2025
On 17.02.25 15:04, Ryan Roberts wrote:
> In order to fix a bug, arm64 needs to be told the size of the huge page
> for which the huge_pte is being set in huge_ptep_get_and_clear().
s/set/cleared/ ?
> Provide for this by adding an `unsigned long sz` parameter to the
> function. This follows the same pattern as huge_pte_clear() and
> set_huge_pte_at().
>
> This commit makes the required interface modifications to the core mm as
> well as all arches that implement this function (arm64, loongarch, mips,
> parisc, powerpc, riscv, s390, sparc). The actual arm64 bug will be fixed
> in a separate commit.
>
> Cc: stable at vger.kernel.org
> Fixes: 66b3923a1a0f ("arm64: hugetlb: add support for PTE contiguous bit")
> Signed-off-by: Ryan Roberts <ryan.roberts at arm.com>
> ---
Acked-by: David Hildenbrand <david at redhat.com>
--
Cheers,
David / dhildenb
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