Re: [PATCH RFC 11/35] mm: sanity-check maximum folio size in folio_set_order()
From: Zi Yan <ziy@nvidia.com>
Date: 2025-08-21 20:36:58
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dri-devel, intel-gfx, io-uring, kvm, linux-arm-kernel, linux-crypto, linux-ide, linux-iommu, linux-kselftest, linux-mips, linux-mm, linux-mmc, linux-riscv, linux-s390, linux-scsi, lkml, virtualization
On 21 Aug 2025, at 16:06, David Hildenbrand wrote:
Let's sanity-check in folio_set_order() whether we would be trying to create a folio with an order that would make it exceed MAX_FOLIO_ORDER. This will enable the check whenever a folio/compound page is initialized through prepare_compound_head() / prepare_compound_page(). Signed-off-by: David Hildenbrand <redacted> --- mm/internal.h | 1 + 1 file changed, 1 insertion(+)
Reviewed-by: Zi Yan <ziy@nvidia.com> Best Regards, Yan, Zi