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mm/page_alloc: remove a wrapper for alloc_migration_target()

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There is a well-defined standard migration target callback.  Use it
directly.

Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Michal Hocko <mhocko@suse.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Roman Gushchin <guro@fb.com>
Link: http://lkml.kernel.org/r/1594622517-20681-8-git-send-email-iamjoonsoo.kim@lge.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Joonsoo Kim 2020-08-11 18:37:31 -07:00 • committed by Linus Torvalds
parent a097631160
commit 8b94e0b8be
2 changed files with 6 additions and 12 deletions
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8
mm/page_alloc.c
View file

@ -8347,6 +8347,10 @@ static int __alloc_contig_migrate_range(struct compact_control *cc,
unsigned long pfn = start; unsigned long pfn = start;
unsigned int tries = 0; unsigned int tries = 0;
int ret = 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(); migrate_prep();
@ -8373,8 +8377,8 @@ static int __alloc_contig_migrate_range(struct compact_control *cc,
&cc->migratepages); &cc->migratepages);
cc->nr_migratepages -= nr_reclaimed; cc->nr_migratepages -= nr_reclaimed;
ret = migrate_pages(&cc->migratepages, alloc_migrate_target, ret = migrate_pages(&cc->migratepages, alloc_migration_target,
NULL, 0, cc->mode, MR_CONTIG_RANGE); NULL, (unsigned long)&mtc, cc->mode, MR_CONTIG_RANGE);
} }
if (ret < 0) { if (ret < 0) {
putback_movable_pages(&cc->migratepages); putback_movable_pages(&cc->migratepages);

10
mm/page_isolation.c
View file

@ -306,13 +306,3 @@ int test_pages_isolated(unsigned long start_pfn, unsigned long end_pfn,
return pfn < end_pfn ? -EBUSY : 0; 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);
}