linux-kernel - [PATCH] mm: use in_task() in alloc

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Date:   Mon, 9 Aug 2021 10:51:45 +0300
From:   Vasily Averin <vvs@...tuozzo.com>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org, kernel@...nvz.org
Subject: [PATCH] mm: use in_task() in alloc_pages()

obsoleted in_interrupt() includes task context with enabled BH,
it's better to use in_task() instead.

Signed-off-by: Vasily Averin <vvs@...tuozzo.com>
---
 mm/mempolicy.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index e32360e..2f8ee67 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -2231,7 +2231,7 @@ struct page *alloc_pages(gfp_t gfp, unsigned order)
 	struct mempolicy *pol = &default_policy;
 	struct page *page;
 
-	if (!in_interrupt() && !(gfp & __GFP_THISNODE))
+	if (in_task() && !(gfp & __GFP_THISNODE))
 		pol = get_task_policy(current);
 
 	/*
-- 
1.8.3.1