diff options
Diffstat (limited to 'mm/page_owner.c')
| -rw-r--r-- | mm/page_owner.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/mm/page_owner.c b/mm/page_owner.c index fb3a05fdebdb..e4c6f3f1695b 100644 --- a/mm/page_owner.c +++ b/mm/page_owner.c @@ -34,7 +34,7 @@ struct page_owner { pid_t tgid; }; -static bool page_owner_enabled = false; +static bool page_owner_enabled __initdata; DEFINE_STATIC_KEY_FALSE(page_owner_inited); static depot_stack_handle_t dummy_handle; @@ -45,7 +45,12 @@ static void init_early_allocated_pages(void); static int __init early_page_owner_param(char *buf) { - return kstrtobool(buf, &page_owner_enabled); + int ret = kstrtobool(buf, &page_owner_enabled); + + if (page_owner_enabled) + stack_depot_want_early_init(); + + return ret; } early_param("page_owner", early_page_owner_param); @@ -83,8 +88,6 @@ static __init void init_page_owner(void) if (!page_owner_enabled) return; - stack_depot_init(); - register_dummy_stack(); register_failure_stack(); register_early_stack(); @@ -168,7 +171,7 @@ static inline void __set_page_owner_handle(struct page_ext *page_ext, page_owner->pid = current->pid; page_owner->tgid = current->tgid; page_owner->ts_nsec = local_clock(); - strlcpy(page_owner->comm, current->comm, + strscpy(page_owner->comm, current->comm, sizeof(page_owner->comm)); __set_bit(PAGE_EXT_OWNER, &page_ext->flags); __set_bit(PAGE_EXT_OWNER_ALLOCATED, &page_ext->flags); |