On Thu, 17 Dec 2020, Alex Shi wrote:
> The rcu_read_lock was used to block memcg destory, but with the detailed
> calling conditions, the memcg won't gone since the page is hold. So we
> don't need it now, let's remove them to save locking load in debugging.
"
lock_page_lruvec() and its variants
The rcu_read_lock was used to block memcg destory, but with the detailed
calling conditions, the memcg won't gone since the page is hold. So we
don't need it now, let's remove them to save locking load in debugging.
Signed-off-by: Alex Shi
Cc: Hugh Dickins
Cc: Johannes Weiner
Cc: Michal Hocko
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