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| author |   Joonas Lahtinen <joonas.lahtinen@linux.intel.com> | 2021-01-15 08:49:57 +0200 |
|---|---|---|
| committer | Joonas Lahtinen <joonas.lahtinen@linux.intel.com> | 2021-01-15 08:49:57 +0200 |
| commit | d263dfa7d2697a43f3299b9731cd568ee49cdd2c (patch) | |
| tree | f5d993c7000ac41ee926acf0b357ec572ef7908f /mm/page_io.c | |
| parent | drm/i915/gt: Prune inlines (diff) | |
| parent | Merge tag 'drm-intel-gt-next-2021-01-14' of git://anongit.freedesktop.org/drm/drm-intel into drm-next (diff) | |
| download | wireguard-linux-d263dfa7d2697a43f3299b9731cd568ee49cdd2c.tar.xz wireguard-linux-d263dfa7d2697a43f3299b9731cd568ee49cdd2c.zip | |
Merge drm/drm-next into drm-intel-gt-next
Backmerging to get a common base for merging topic branches between
drm-intel-next and drm-intel-gt-next.
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Diffstat (limited to 'mm/page_io.c')
| -rw-r--r-- | mm/page_io.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/mm/page_io.c b/mm/page_io.c index 433df1263349..9bca17ecc4df 100644 --- a/mm/page_io.c +++ b/mm/page_io.c @@ -291,12 +291,14 @@ static inline void count_swpout_vm_event(struct page *page) static void bio_associate_blkg_from_page(struct bio *bio, struct page *page) { struct cgroup_subsys_state *css; + struct mem_cgroup *memcg; - if (!page->mem_cgroup) + memcg = page_memcg(page); + if (!memcg) return; rcu_read_lock(); - css = cgroup_e_css(page->mem_cgroup->css.cgroup, &io_cgrp_subsys); + css = cgroup_e_css(memcg->css.cgroup, &io_cgrp_subsys); bio_associate_blkg_from_css(bio, css); rcu_read_unlock(); } |