linux-kernel - [PATCH] mm: in

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Date:   Fri, 13 Aug 2021 22:52:45 +0800
From:   Changbin Du <changbin.du@...il.com>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Catalin Marinas <catalin.marinas@....com>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, Changbin Du <changbin.du@...il.com>
Subject: [PATCH] mm: in_irq() cleanup

Replace the obsolete and ambiguos macro in_irq() with new
macro in_hardirq().

Signed-off-by: Changbin Du <changbin.du@...il.com>
---
 mm/highmem.c  | 2 +-
 mm/kmemleak.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/mm/highmem.c b/mm/highmem.c
index 4fb51d735aa6..4212ad0e4a19 100644
--- a/mm/highmem.c
+++ b/mm/highmem.c
@@ -436,7 +436,7 @@ EXPORT_SYMBOL(zero_user_segments);
 
 static inline int kmap_local_idx_push(void)
 {
-	WARN_ON_ONCE(in_irq() && !irqs_disabled());
+	WARN_ON_ONCE(in_hardirq() && !irqs_disabled());
 	current->kmap_ctrl.idx += KM_INCR;
 	BUG_ON(current->kmap_ctrl.idx >= KM_MAX_IDX);
 	return current->kmap_ctrl.idx - 1;
diff --git a/mm/kmemleak.c b/mm/kmemleak.c
index 228a2fbe0657..98d0be54628d 100644
--- a/mm/kmemleak.c
+++ b/mm/kmemleak.c
@@ -598,7 +598,7 @@ static struct kmemleak_object *create_object(unsigned long ptr, size_t size,
 	object->checksum = 0;
 
 	/* task information */
-	if (in_irq()) {
+	if (in_hardirq()) {
 		object->pid = 0;
 		strncpy(object->comm, "hardirq", sizeof(object->comm));
 	} else if (in_serving_softirq()) {
-- 
2.30.2