On Tue, Jan 08, 2019 at 10:21:07AM +0530, Aneesh Kumar K.V wrote: > This patch add PF_MEMALLOC_NOCMA which make sure any allocation in that context > is marked non movable and hence cannot be satisfied by CMA region. > > This is useful with get_user_pages_cma_migrate where we take a page pin by > migrating pages from CMA region. Marking the section PF_MEMALLOC_NOCMA ensures > that we avoid uncessary page migration later. > > Suggested-by: Andrea Arcangeli <aarcange@xxxxxxxxxx> > Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxx> Reviewed-by: Andrea Arcangeli <aarcange@xxxxxxxxxx>
