From: Jérôme Glisse jglisse@redhat.com
[ Upstream commit 734fb89968900b5c5f8edd5038bd4cdeab8c61d2 ]
To avoid random config build issue, select mmu notifier when HMM is selected. In any cases when HMM get selected it will be by users that will also wants the mmu notifier.
Link: http://lkml.kernel.org/r/20190403193318.16478-2-jglisse@redhat.com Signed-off-by: Jérôme Glisse jglisse@redhat.com Acked-by: Balbir Singh bsingharora@gmail.com Cc: Ralph Campbell rcampbell@nvidia.com Cc: John Hubbard jhubbard@nvidia.com Cc: Dan Williams dan.j.williams@intel.com Cc: Arnd Bergmann arnd@arndb.de Cc: Dan Carpenter dan.carpenter@oracle.com Cc: Ira Weiny ira.weiny@intel.com Cc: Matthew Wilcox willy@infradead.org Cc: Souptick Joarder jrdr.linux@gmail.com Signed-off-by: Andrew Morton akpm@linux-foundation.org Signed-off-by: Linus Torvalds torvalds@linux-foundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- mm/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/Kconfig b/mm/Kconfig index de64ea658716a..b457e94ae6182 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -700,12 +700,12 @@ config DEV_PAGEMAP_OPS
config HMM bool + select MMU_NOTIFIER select MIGRATE_VMA_HELPER
config HMM_MIRROR bool "HMM mirror CPU page table into a device page table" depends on ARCH_HAS_HMM - select MMU_NOTIFIER select HMM help Select HMM_MIRROR if you want to mirror range of the CPU page table of a