linux-kernel - [PATCH] mm/khugepaged: use DEFINE_READ_MOSTLY

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: <20230609-khugepage-v1-1-dad4e8382298@google.com>
Date:   Fri, 09 Jun 2023 16:44:45 -0700
From:   ndesaulniers@...gle.com
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        Nick Desaulniers <ndesaulniers@...gle.com>
Subject: [PATCH] mm/khugepaged: use DEFINE_READ_MOSTLY_HASHTABLE macro

These are equivalent, but DEFINE_READ_MOSTLY_HASHTABLE exists to define
a hashtable in the .data..read_mostly section.

Signed-off-by: Nick Desaulniers <ndesaulniers@...gle.com>
---
 mm/khugepaged.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/khugepaged.c b/mm/khugepaged.c
index 6b9d39d65b73..e7dc49214413 100644
--- a/mm/khugepaged.c
+++ b/mm/khugepaged.c
@@ -88,7 +88,7 @@ static unsigned int khugepaged_max_ptes_swap __read_mostly;
 static unsigned int khugepaged_max_ptes_shared __read_mostly;
 
 #define MM_SLOTS_HASH_BITS 10
-static __read_mostly DEFINE_HASHTABLE(mm_slots_hash, MM_SLOTS_HASH_BITS);
+static DEFINE_READ_MOSTLY_HASHTABLE(mm_slots_hash, MM_SLOTS_HASH_BITS);
 
 static struct kmem_cache *mm_slot_cache __read_mostly;
 

---
base-commit: 64569520920a3ca5d456ddd9f4f95fc6ea9b8b45
change-id: 20230609-khugepage-09ea340b378e

Best regards,
-- 
Nick Desaulniers <ndesaulniers@...gle.com>