[PATCH mm v3 24/34] kasan: make kasan_addr_to_page static

From: andrey . konovalov
Date: Mon Sep 05 2022 - 17:11:27 EST


From: Andrey Konovalov <andreyknvl@xxxxxxxxxx>

As kasan_addr_to_page() is only used in report.c, rename it to
addr_to_page() and make it static.

Reviewed-by: Marco Elver <elver@xxxxxxxxxx>
Signed-off-by: Andrey Konovalov <andreyknvl@xxxxxxxxxx>
---
mm/kasan/kasan.h | 1 -
mm/kasan/report.c | 4 ++--
2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/mm/kasan/kasan.h b/mm/kasan/kasan.h
index cca49ab029f1..4fddfdb08abf 100644
--- a/mm/kasan/kasan.h
+++ b/mm/kasan/kasan.h
@@ -291,7 +291,6 @@ bool kasan_report(unsigned long addr, size_t size,
bool is_write, unsigned long ip);
void kasan_report_invalid_free(void *object, unsigned long ip, enum kasan_report_type type);

-struct page *kasan_addr_to_page(const void *addr);
struct slab *kasan_addr_to_slab(const void *addr);

#ifdef CONFIG_KASAN_GENERIC
diff --git a/mm/kasan/report.c b/mm/kasan/report.c
index cd31b3b89ca1..ac526c10ebff 100644
--- a/mm/kasan/report.c
+++ b/mm/kasan/report.c
@@ -206,7 +206,7 @@ static void print_track(struct kasan_track *track, const char *prefix)
pr_err("(stack is not available)\n");
}

-struct page *kasan_addr_to_page(const void *addr)
+static inline struct page *addr_to_page(const void *addr)
{
if (virt_addr_valid(addr))
return virt_to_head_page(addr);
@@ -289,7 +289,7 @@ static inline bool init_task_stack_addr(const void *addr)

static void print_address_description(void *addr, u8 tag)
{
- struct page *page = kasan_addr_to_page(addr);
+ struct page *page = addr_to_page(addr);
struct slab *slab = kasan_addr_to_slab(addr);

dump_stack_lvl(KERN_ERR);
--
2.25.1