bnode = get_cached_bnode(*krcp);
if (!bnode && can_alloc) {
krc_this_cpu_unlock(*krcp, *flags);
+
+ // __GFP_NORETRY - allows a light-weight direct reclaim
+ // what is OK from minimizing of fallback hitting point of
+ // view. Apart of that it forbids any OOM invoking what is
+ // also beneficial since we are about to release memory soon.
+ //
+ // __GFP_NOMEMALLOC - prevents from consuming of all the
+ // memory reserves. Please note we have a fallback path.
+ //
+ // __GFP_NOWARN - it is supposed that an allocation can
+ // be failed under low memory or high memory pressure
+ // scenarios.
bnode = (struct kvfree_rcu_bulk_data *)
- __get_free_page(GFP_KERNEL | __GFP_RETRY_MAYFAIL | __GFP_NOMEMALLOC | __GFP_NOWARN);
+ __get_free_page(GFP_KERNEL | __GFP_NORETRY | __GFP_NOMEMALLOC | __GFP_NOWARN);
*krcp = krc_this_cpu_lock(flags);
}