The patch titled
Subject: mm/page_alloc: remove a wrapper for alloc_migration_target()
has been added to the -mm tree. Its filename is
mm-page_alloc-remove-a-wrapper-for-alloc_migration_target.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-page_alloc-remove-a-wrapper-for-alloc_migration_target.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-page_alloc-remove-a-wrapper-for-alloc_migration_target.patch
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------------------------------------------------------
From: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Subject: mm/page_alloc: remove a wrapper for alloc_migration_target()
There is a well-defined standard migration target callback. Use it
directly.
Link: http://lkml.kernel.org/r/1594622517-20681-8-git-send-email-iamjoonsoo.kim@xxxxxxx
Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Acked-by: Michal Hocko <mhocko@xxxxxxxx>
Acked-by: Vlastimil Babka <vbabka@xxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Cc: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
Cc: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
Cc: Roman Gushchin <guro@xxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/page_alloc.c | 8 ++++++--
mm/page_isolation.c | 10 ----------
2 files changed, 6 insertions(+), 12 deletions(-)
--- a/mm/page_alloc.c~mm-page_alloc-remove-a-wrapper-for-alloc_migration_target
+++ a/mm/page_alloc.c
@@ -8358,6 +8358,10 @@ static int __alloc_contig_migrate_range(
unsigned long pfn = start;
unsigned int tries = 0;
int ret = 0;
+ struct migration_target_control mtc = {
+ .nid = zone_to_nid(cc->zone),
+ .gfp_mask = GFP_USER | __GFP_MOVABLE | __GFP_RETRY_MAYFAIL,
+ };
migrate_prep();
@@ -8384,8 +8388,8 @@ static int __alloc_contig_migrate_range(
&cc->migratepages);
cc->nr_migratepages -= nr_reclaimed;
- ret = migrate_pages(&cc->migratepages, alloc_migrate_target,
- NULL, 0, cc->mode, MR_CONTIG_RANGE);
+ ret = migrate_pages(&cc->migratepages, alloc_migration_target,
+ NULL, (unsigned long)&mtc, cc->mode, MR_CONTIG_RANGE);
}
if (ret < 0) {
putback_movable_pages(&cc->migratepages);
--- a/mm/page_isolation.c~mm-page_alloc-remove-a-wrapper-for-alloc_migration_target
+++ a/mm/page_isolation.c
@@ -306,13 +306,3 @@ int test_pages_isolated(unsigned long st
return pfn < end_pfn ? -EBUSY : 0;
}
-
-struct page *alloc_migrate_target(struct page *page, unsigned long private)
-{
- struct migration_target_control mtc = {
- .nid = page_to_nid(page),
- .gfp_mask = GFP_USER | __GFP_MOVABLE | __GFP_RETRY_MAYFAIL,
- };
-
- return alloc_migration_target(page, (unsigned long)&mtc);
-}
_
Patches currently in -mm which might be from iamjoonsoo.kim@xxxxxxx are
mm-page_isolation-prefer-the-node-of-the-source-page.patch
mm-migrate-move-migration-helper-from-h-to-c.patch
mm-hugetlb-unify-migration-callbacks.patch
mm-migrate-clear-__gfp_reclaim-to-make-the-migration-callback-consistent-with-regular-thp-allocations.patch
mm-migrate-make-a-standard-migration-target-allocation-function.patch
mm-mempolicy-use-a-standard-migration-target-allocation-callback.patch
mm-page_alloc-remove-a-wrapper-for-alloc_migration_target.patch
mm-memory-failure-remove-a-wrapper-for-alloc_migration_target.patch
mm-memory_hotplug-remove-a-wrapper-for-alloc_migration_target.patch
