From a261ea9173662606160bdc74b5279c2c8e879d4d Mon Sep 17 00:00:00 2001
From: Changbin Du <changbin.du@intel.com>
Date: Tue, 7 Sep 2021 19:56:12 -0700
Subject: [PATCH] mm: in_irq() cleanup
References: bsc#1190208 (MM functional and performance backports)
Patch-mainline: v5.15-rc1
Git-commit: ea0eafead4b66543b8218ebfbe14173315feb7d1
Replace the obsolete and ambiguos macro in_irq() with new macro
in_hardirq().
Link: https://lkml.kernel.org/r/20210813145245.86070-1-changbin.du@gmail.com
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com> [kmemleak]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Mel Gorman <mgorman@suse.de>
---
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 73d46d16d575..b59f1761d817 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()) {