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| author | Takashi Iwai <tiwai@suse.de> | 2015-10-07 20:11:21 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2015-10-07 20:11:21 +0200 |
| commit | 601d62959d08a450d4666c728ddd2f47c5ba1cfe (patch) | |
| tree | 52d9f3c1a2528a9de405d5a19014f3f94b16b35d /mm/migrate.c | |
| parent | 225db5762dc1a35b26850477ffa06e5cd0097243 (diff) | |
| parent | e4fc141d2a022a63c87a4851b3c688eca6a1647b (diff) | |
| download | linux-601d62959d08a450d4666c728ddd2f47c5ba1cfe.tar.gz linux-601d62959d08a450d4666c728ddd2f47c5ba1cfe.tar.bz2 linux-601d62959d08a450d4666c728ddd2f47c5ba1cfe.zip | |
Merge tag 'asoc-fix-v4.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v4.3
Quite a few fixes here but they're all very small and driver specific,
none of them really stand out if you aren't using the relevant hardware
but they're all useful if you do happen to have an affected device.
Diffstat (limited to 'mm/migrate.c')
| -rw-r--r-- | mm/migrate.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/mm/migrate.c b/mm/migrate.c index c3cb566af3e2..842ecd7aaf7f 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -740,6 +740,15 @@ static int move_to_new_page(struct page *newpage, struct page *page, if (PageSwapBacked(page)) SetPageSwapBacked(newpage); + /* + * Indirectly called below, migrate_page_copy() copies PG_dirty and thus + * needs newpage's memcg set to transfer memcg dirty page accounting. + * So perform memcg migration in two steps: + * 1. set newpage->mem_cgroup (here) + * 2. clear page->mem_cgroup (below) + */ + set_page_memcg(newpage, page_memcg(page)); + mapping = page_mapping(page); if (!mapping) rc = migrate_page(mapping, newpage, page, mode); @@ -756,9 +765,10 @@ static int move_to_new_page(struct page *newpage, struct page *page, rc = fallback_migrate_page(mapping, newpage, page, mode); if (rc != MIGRATEPAGE_SUCCESS) { + set_page_memcg(newpage, NULL); newpage->mapping = NULL; } else { - mem_cgroup_migrate(page, newpage, false); + set_page_memcg(page, NULL); if (page_was_mapped) remove_migration_ptes(page, newpage); page->mapping = NULL; @@ -1075,7 +1085,7 @@ out: if (rc != MIGRATEPAGE_SUCCESS && put_new_page) put_new_page(new_hpage, private); else - put_page(new_hpage); + putback_active_hugepage(new_hpage); if (result) { if (rc) |