Commit 3a2bcc12 authored by Stanislav Kinsburskii's avatar Stanislav Kinsburskii Committed by Wei Liu
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mshv: Use PMD_ORDER instead of HPAGE_PMD_ORDER when processing regions 



Fix page order determination logic when CONFIG_PGTABLE_HAS_HUGE_LEAVES
is undefined, as HPAGE_PMD_SHIFT is defined as BUILD_BUG in that case.

Fixes: abceb429 ("mshv: Fix huge page handling in memory region traversal")
Signed-off-by: default avatarStanislav Kinsburskii <skinsburskii@linux.microsoft.com>
Signed-off-by: default avatarWei Liu <wei.liu@kernel.org>
parent 8f0b4cce

drivers/hv/mshv_regions.c

+1 −1
Original line number Diff line number Diff line
@@ -58,7 +58,7 @@ static long mshv_region_process_chunk(struct mshv_mem_region *region, 


	page_order = folio_order(page_folio(page));

	/* The hypervisor only supports 4K and 2M page sizes */

	if (page_order && page_order != HPAGE_PMD_ORDER)

	if (page_order && page_order != PMD_ORDER)

		return -EINVAL;



	stride = 1 << page_order;