search for: make_migration_entri

On 7/29/19 7:28 AM, Christoph Hellwig wrote: > The MIGRATE_PFN_WRITE is only used locally in migrate_vma_collect_pmd, > where it can be replaced with a simple boolean local variable. > > Signed-off-by: Christoph Hellwig <hch at lst.de> Reviewed-by: Ralph Campbell <rcampbell at nvidia.com> > --- > include/linux/migrate.h | 1 - > mm/migrate.c | 9

The MIGRATE_PFN_WRITE is only used locally in migrate_vma_collect_pmd, where it can be replaced with a simple boolean local variable. Signed-off-by: Christoph Hellwig <hch at lst.de> --- include/linux/migrate.h | 1 - mm/migrate.c | 9 +++++---- 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/include/linux/migrate.h b/include/linux/migrate.h index

On Mon, Jul 29, 2019 at 05:28:43PM +0300, Christoph Hellwig wrote: > The MIGRATE_PFN_WRITE is only used locally in migrate_vma_collect_pmd, > where it can be replaced with a simple boolean local variable. > > Signed-off-by: Christoph Hellwig <hch at lst.de> NAK that flag is useful, for instance a anonymous vma might have some of its page read only even if the vma has write

Hi Jérôme, Ben and Jason, below is a series against the hmm tree which starts revamping the migrate_vma functionality. The prime idea is to export three slightly lower level functions and thus avoid the need for migrate_vma_ops callbacks. Diffstat: 4 files changed, 285 insertions(+), 602 deletions(-) A git tree is also available at: git://git.infradead.org/users/hch/misc.git