linux-kernel - [PATCH] mm: fix the type of a parameter

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20211201181236.2315-1-caoyixuan2019@email.szu.edu.cn>
Date:   Thu,  2 Dec 2021 02:12:36 +0800
From:   Yixuan Cao <caoyixuan2019@...il.szu.edu.cn>
To:     akpm@...ux-foundation.org
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        Yixuan Cao <caoyixuan2019@...il.szu.edu.cn>
Subject: [PATCH] mm: fix the type of a parameter

The type of "last_migrate_reason" in struct page_owner is short.
However, the type of "reason" in the argument list of following functions
__set_page_owner_migrate_reason
set_page_owner_migrate_reason

is int, which is inconsistent.

Signed-off-by: Yixuan Cao <caoyixuan2019@...il.szu.edu.cn>
---
 include/linux/page_owner.h | 6 +++---
 mm/page_owner.c            | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/linux/page_owner.h b/include/linux/page_owner.h
index 119a0c9d2a8b..c537315ec02f 100644
--- a/include/linux/page_owner.h
+++ b/include/linux/page_owner.h
@@ -13,7 +13,7 @@ extern void __set_page_owner(struct page *page,
 			unsigned short order, gfp_t gfp_mask);
 extern void __split_page_owner(struct page *page, unsigned int nr);
 extern void __folio_copy_owner(struct folio *newfolio, struct folio *old);
-extern void __set_page_owner_migrate_reason(struct page *page, int reason);
+extern void __set_page_owner_migrate_reason(struct page *page, short reason);
 extern void __dump_page_owner(const struct page *page);
 extern void pagetypeinfo_showmixedcount_print(struct seq_file *m,
 					pg_data_t *pgdat, struct zone *zone);
@@ -41,7 +41,7 @@ static inline void folio_copy_owner(struct folio *newfolio, struct folio *old)
 	if (static_branch_unlikely(&page_owner_inited))
 		__folio_copy_owner(newfolio, old);
 }
-static inline void set_page_owner_migrate_reason(struct page *page, int reason)
+static inline void set_page_owner_migrate_reason(struct page *page, short reason)
 {
 	if (static_branch_unlikely(&page_owner_inited))
 		__set_page_owner_migrate_reason(page, reason);
@@ -66,7 +66,7 @@ static inline void split_page_owner(struct page *page,
 static inline void folio_copy_owner(struct folio *newfolio, struct folio *folio)
 {
 }
-static inline void set_page_owner_migrate_reason(struct page *page, int reason)
+static inline void set_page_owner_migrate_reason(struct page *page, short reason)
 {
 }
 static inline void dump_page_owner(const struct page *page)
diff --git a/mm/page_owner.c b/mm/page_owner.c
index 4f924957ce7a..4c23e910caf9 100644
--- a/mm/page_owner.c
+++ b/mm/page_owner.c
@@ -182,7 +182,7 @@ noinline void __set_page_owner(struct page *page, unsigned short order,
 	__set_page_owner_handle(page_ext, handle, order, gfp_mask);
 }
 
-void __set_page_owner_migrate_reason(struct page *page, int reason)
+void __set_page_owner_migrate_reason(struct page *page, short reason)
 {
 	struct page_ext *page_ext = lookup_page_ext(page);
 	struct page_owner *page_owner;
-- 
2.31.1