Matthew Wilcox (Oracle) wrote:
> The migration code used to be able to migrate dirty 9p folios by writing
> them back using writepage. When the writepage method was removed,
> we neglected to add a migrate_folio method, which means that dirty 9p
> folios have been unmovable ever since. This red
On Thu, Apr 03, 2025 at 12:46:17PM +0900, Dominique Martinet wrote:
> Matthew Wilcox (Oracle) wrote on Wed, Apr 02, 2025 at 03:59:55PM +0100:
> > The migration code used to be able to migrate dirty 9p folios by writing
> > them back using writepage. When the writepage method was removed,
> > we ne
Matthew Wilcox (Oracle) wrote on Wed, Apr 02, 2025 at 03:59:55PM +0100:
> The migration code used to be able to migrate dirty 9p folios by writing
> them back using writepage. When the writepage method was removed,
> we neglected to add a migrate_folio method, which means that dirty 9p
> folios ha
The migration code used to be able to migrate dirty 9p folios by writing
them back using writepage. When the writepage method was removed,
we neglected to add a migrate_folio method, which means that dirty 9p
folios have been unmovable ever since. This reduced our success at
defragmenting memory
