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Revert "FROMLIST: mm: replace migrate_prep with lru_add_drain_all"

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This reverts commit 134ac2d4dc.

Bug: 180018981
Signed-off-by: Minchan Kim <minchan@google.com>
Change-Id: I579c72398447f770c235e4fefd246f1dbbd250d0
This commit is contained in:
Minchan Kim
2021-03-19 12:34:42 -07:00
committed by Suren Baghdasaryan
parent 7ed55d7025
commit d3c1bf42af
6 changed files with 32 additions and 11 deletions
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mm/page_alloc.c
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@@ -8520,7 +8520,7 @@ static int __alloc_contig_migrate_range(struct compact_control *cc,
if (cc->alloc_contig && cc->mode == MIGRATE_ASYNC)
max_tries = 1;
lru_add_drain_all();
migrate_prep();
while (pfn < end || !list_empty(&cc->migratepages)) {
if (fatal_signal_pending(current)) {