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SubjectRe: [v2 PATCH 5/9] mm: vmscan: demote anon DRAM pages to PMEM node
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On 4/10/19 8:56 PM, Yang Shi wrote:
> include/linux/gfp.h | 12 ++++
> include/linux/migrate.h | 1 +
> include/trace/events/migrate.h | 3 +-
> mm/debug.c | 1 +
> mm/internal.h | 13 +++++
> mm/migrate.c | 15 ++++-
> mm/vmscan.c | 127 +++++++++++++++++++++++++++++++++++------
> 7 files changed, 149 insertions(+), 23 deletions(-)

Yikes, that's a lot of code.

And it only handles anonymous pages?

Also, I don't see anything in the code tying this to strictly demote
from DRAM to PMEM. Is that the end effect, or is it really implemented
that way and I missed it?

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