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.
[[email protected]: revert sysctl_nr_open_min, sysctl_nr_open_max changes due to arm warning]
[[email protected]: coding-style cleanups]
Link: https://lkml.kernel.org/r/4f6bb9c0-abba-4ee4-a7aa-89265e886817@p183
Signed-off-by: Alexey Dobriyan <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index 1d9a71a..2877cc0 100644
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -256,10 +256,10 @@ static u64 loop_check_gen = 0;
static struct eventpoll *inserting_into;
/* Slab cache used to allocate "struct epitem" */
-static struct kmem_cache *epi_cache __read_mostly;
+static struct kmem_cache *epi_cache __ro_after_init;
/* Slab cache used to allocate "struct eppoll_entry" */
-static struct kmem_cache *pwq_cache __read_mostly;
+static struct kmem_cache *pwq_cache __ro_after_init;
/*
* List of files with newly added links, where we may need to limit the number
@@ -271,7 +271,7 @@ struct epitems_head {
};
static struct epitems_head *tfile_check_list = EP_UNACTIVE_PTR;
-static struct kmem_cache *ephead_cache __read_mostly;
+static struct kmem_cache *ephead_cache __ro_after_init;
static inline void free_ephead(struct epitems_head *head)
{
