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

From: js1304
Date: Wed May 27 2020 - 02:45:45 EST


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