Re: [PATCH v6 03/12] mm: balloon: use general non-lru movable page feature

From: Vlastimil Babka
Date: Mon May 30 2016 - 08:16:41 EST

On 05/20/2016 04:23 PM, Minchan Kim wrote:
Now, VM has a feature to migrate non-lru movable pages so
balloon doesn't need custom migration hooks in migrate.c
and compaction.c. Instead, this patch implements
page->mapping->a_ops->{isolate|migrate|putback} functions.

With that, we could remove hooks for ballooning in general
migration functions and make balloon compaction simple.

Cc: virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx
Cc: Rafael Aquini <aquini@xxxxxxxxxx>
Cc: Konstantin Khlebnikov <koct9i@xxxxxxxxx>
Signed-off-by: Gioh Kim <>
Signed-off-by: Minchan Kim <minchan@xxxxxxxxxx>

Except for the inode/pseudofs stuff which I'm not familiar with,

Acked-by: Vlastimil Babka <vbabka@xxxxxxx>