mm/page_alloc.c: use in_task()

Obsoleted in_intrrupt() include task context with disabled BH, it's better
to use in_task() instead.

Link: https://lkml.kernel.org/r/877caa99-1994-5545-92d2-d0bb2e394182@virtuozzo.comSigned-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

mm/page_alloc.c

@@ -4211,7 +4211,7 @@ static void warn_alloc_show_mem(gfp_t gfp_mask, nodemask_t *nodemask)
 		if (tsk_is_oom_victim(current) ||
 		    (current->flags & (PF_MEMALLOC | PF_EXITING)))
 			filter &= ~SHOW_MEM_FILTER_NODES;
-	if (in_interrupt() || !(gfp_mask & __GFP_DIRECT_RECLAIM))
+	if (!in_task() || !(gfp_mask & __GFP_DIRECT_RECLAIM))
 		filter &= ~SHOW_MEM_FILTER_NODES;
 
 	show_mem(filter, nodemask);
@@ -4697,7 +4697,7 @@ gfp_to_alloc_flags(gfp_t gfp_mask)
 		 * comment for __cpuset_node_allowed().
 		 */
 		alloc_flags &= ~ALLOC_CPUSET;
-	} else if (unlikely(rt_task(current)) && !in_interrupt())
+	} else if (unlikely(rt_task(current)) && in_task())
 		alloc_flags |= ALLOC_HARDER;
 
 	alloc_flags = gfp_to_alloc_flags_cma(gfp_mask, alloc_flags);
@@ -5157,7 +5157,7 @@ static inline bool prepare_alloc_pages(gfp_t gfp_mask, unsigned int order,
 		 * When we are in the interrupt context, it is irrelevant
 		 * to the current task context. It means that any node ok.
 		 */
-		if (!in_interrupt() && !ac->nodemask)
+		if (in_task() && !ac->nodemask)
 			ac->nodemask = &cpuset_current_mems_allowed;
 		else
 			*alloc_flags |= ALLOC_CPUSET;