mshv: Use PMD_ORDER instead of HPAGE_PMD_ORDER when processing regions

Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

kernel os linux

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: abceb4297bf8 ("mshv: Fix huge page handling in memory region traversal")
Signed-off-by: Stanislav Kinsburskii <skinsburskii@linux.microsoft.com>
Signed-off-by: Wei Liu <wei.liu@kernel.org>

authored by

Stanislav Kinsburskii and committed by

Wei Liu 3 months ago 3a2bcc12 8f0b4cce

+1 -1

1 changed file

expand all

drivers

mshv_regions.c

+1 -1

drivers/hv/mshv_regions.c

··· 58 58 59 59 page_order = folio_order(page_folio(page)); 60 60 /* The hypervisor only supports 4K and 2M page sizes */ 61 - if (page_order && page_order != HPAGE_PMD_ORDER) 61 + if (page_order && page_order != PMD_ORDER) 62 62 return -EINVAL; 63 63 64 64 stride = 1 << page_order;