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authorAlexey Dobriyan <adobriyan@gmail.com>2023-10-11 18:55:00 +0200
committerAndrew Morton <akpm@linux-foundation.org>2023-10-18 23:43:23 +0200
commit68279f9c9f592e75d30a9ba5154a15e0a0b42ae8 (patch)
treeacbebe6f512f63e0bdcf876a4fb4991520a5499f /mm
parentfs: ocfs2: check status values (diff)
downloadlinux-68279f9c9f592e75d30a9ba5154a15e0a0b42ae8.tar.xz
linux-68279f9c9f592e75d30a9ba5154a15e0a0b42ae8.zip
treewide: mark stuff as __ro_after_init
__read_mostly predates __ro_after_init. Many variables which are marked __read_mostly should have been __ro_after_init from day 1. Also, mark some stuff as "const" and "__init" while I'm at it. [akpm@linux-foundation.org: revert sysctl_nr_open_min, sysctl_nr_open_max changes due to arm warning] [akpm@linux-foundation.org: coding-style cleanups] Link: https://lkml.kernel.org/r/4f6bb9c0-abba-4ee4-a7aa-89265e886817@p183 Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm')
-rw-r--r--mm/khugepaged.c2
-rw-r--r--mm/shmem.c8
2 files changed, 5 insertions, 5 deletions
diff --git a/mm/khugepaged.c b/mm/khugepaged.c
index 88433cc25d8a..cb3f1d738810 100644
--- a/mm/khugepaged.c
+++ b/mm/khugepaged.c
@@ -91,7 +91,7 @@ static unsigned int khugepaged_max_ptes_shared __read_mostly;
#define MM_SLOTS_HASH_BITS 10
static DEFINE_READ_MOSTLY_HASHTABLE(mm_slots_hash, MM_SLOTS_HASH_BITS);
-static struct kmem_cache *mm_slot_cache __read_mostly;
+static struct kmem_cache *mm_slot_cache __ro_after_init;
struct collapse_control {
bool is_khugepaged;
diff --git a/mm/shmem.c b/mm/shmem.c
index 69595d341882..389212972e72 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -42,7 +42,7 @@
#include <linux/iversion.h>
#include "swap.h"
-static struct vfsmount *shm_mnt;
+static struct vfsmount *shm_mnt __ro_after_init;
#ifdef CONFIG_SHMEM
/*
@@ -4394,7 +4394,7 @@ static const struct fs_context_operations shmem_fs_context_ops = {
#endif
};
-static struct kmem_cache *shmem_inode_cachep;
+static struct kmem_cache *shmem_inode_cachep __ro_after_init;
static struct inode *shmem_alloc_inode(struct super_block *sb)
{
@@ -4426,14 +4426,14 @@ static void shmem_init_inode(void *foo)
inode_init_once(&info->vfs_inode);
}
-static void shmem_init_inodecache(void)
+static void __init shmem_init_inodecache(void)
{
shmem_inode_cachep = kmem_cache_create("shmem_inode_cache",
sizeof(struct shmem_inode_info),
0, SLAB_PANIC|SLAB_ACCOUNT, shmem_init_inode);
}
-static void shmem_destroy_inodecache(void)
+static void __init shmem_destroy_inodecache(void)
{
kmem_cache_destroy(shmem_inode_cachep);
}