On Fri, 2018-06-01 at 08:24:24 UTC, "Aneesh Kumar K.V" wrote: > With split pmd page table lock enabled, we don't use mm->page_table_lock when > updating pmd entries. This patch update hugetlb path to use the right lock > when inserting huge page directory entries into page table. > > ex: if we are using hugepd and inserting hugepd entry at the pmd level, we > use pmd_lockptr, which based on config can be split pmd lock. > > For update huge page directory entries itself we use mm->page_table_lock. We > do have a helper huge_pte_lockptr() for that. > > Fixes: 675d99529 ("powerpc/book3s64: Enable split pmd ptlock") > Signed-off-by: Aneesh Kumar K.V <aneesh.ku...@linux.ibm.com>
Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/ed515b6898c36775ddd99ff9ffeda4 cheers