Luis Chamberlain <mcgrof@xxxxxxxxxx> writes: > On Thu, Aug 29, 2024 at 06:12:26PM -0400, Zi Yan wrote: >> The issue is that the change to split_huge_page() makes split_huge_page_to_list_to_order() >> unlocks the wrong subpage. split_huge_page() used to pass the “page” pointer >> to split_huge_page_to_list_to_order(), which keeps that “page” still locked. >> But this patch changes the “page” passed into split_huge_page_to_list_to_order() >> always to the head page. >> >> This fixes the crash on my x86 VM, but it can be improved: It also fixes the issue on s390x. Thanks!
