mm: in_irq() cleanup

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>

diff --git a/mm/highmem.c b/mm/highmem.c
index 4fb51d7..4212ad0 100644 (file)
--- 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 73d46d1..b59f176 100644 (file)
--- 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()) {