[PATCH v2 00/12] clean-up the migration target allocation functions

[js1304]

From: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>

This patchset clean-up the migration target allocation functions.

* Changes on v2
- add acked-by tags
- fix missing compound_head() call for the patch #3
- remove thisnode field on alloc_control and use __GFP_THISNODE directly
- fix missing __gfp_mask setup for the patch
"mm/hugetlb: do not modify user provided gfp_mask"

* Cover-letter

Contributions of this patchset are:
1. unify two hugetlb alloc functions. As a result, one is remained.
2. make one external hugetlb alloc function to internal one.
3. unify three functions for migration target allocation.

The patchset is based on next-20200526.
The patchset is available on:

https://github.com/JoonsooKim/linux/tree/cleanup-migration-target-allocation-v2.00-next-20200526

Thanks.

Joonsoo Kim (12):
  mm/page_isolation: prefer the node of the source page
  mm/migrate: move migration helper from .h to .c
  mm/hugetlb: introduce alloc_control structure to simplify migration
    target allocation APIs
  mm/hugetlb: use provided ac->gfp_mask for allocation
  mm/hugetlb: unify hugetlb migration callback function
  mm/hugetlb: make hugetlb migration target allocation APIs CMA aware
  mm/hugetlb: do not modify user provided gfp_mask
  mm/migrate: change the interface of the migration target alloc/free
    functions
  mm/migrate: make standard migration target allocation functions
  mm/gup: use standard migration target allocation function
  mm/mempolicy: use standard migration target allocation function
  mm/page_alloc: use standard migration target allocation function
    directly

 include/linux/hugetlb.h        | 33 ++++++---------
 include/linux/migrate.h        | 44 +++++---------------
 include/linux/page-isolation.h |  4 +-
 mm/compaction.c                | 15 ++++---
 mm/gup.c                       | 60 +++++-----------------------
 mm/hugetlb.c                   | 91 ++++++++++++++++++++----------------------
 mm/internal.h                  | 12 +++++-
 mm/memory-failure.c            | 14 ++++---
 mm/memory_hotplug.c            | 10 +++--
 mm/mempolicy.c                 | 38 ++++++------------
 mm/migrate.c                   | 72 +++++++++++++++++++++++++--------
 mm/page_alloc.c                |  9 ++++-
 mm/page_isolation.c            |  5 ---
 13 files changed, 191 insertions(+), 216 deletions(-)

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2.7.4