diff options
Diffstat (limited to 'include/linux/mm_types.h')
| -rw-r--r-- | include/linux/mm_types.h | 23 |
1 files changed, 10 insertions, 13 deletions
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index 46f4ecf5479a..cfd0ac4e5e0e 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _LINUX_MM_TYPES_H #define _LINUX_MM_TYPES_H @@ -47,8 +48,10 @@ struct page { * inode address_space, or NULL. * If page mapped as anonymous * memory, low bit is set, and - * it points to anon_vma object: - * see PAGE_MAPPING_ANON below. + * it points to anon_vma object + * or KSM private structure. See + * PAGE_MAPPING_ANON and + * PAGE_MAPPING_KSM. */ void *s_mem; /* slab first object */ atomic_t compound_mapcount; /* first tail page */ @@ -206,14 +209,6 @@ struct page { not kmapped, ie. highmem) */ #endif /* WANT_PAGE_VIRTUAL */ -#ifdef CONFIG_KMEMCHECK - /* - * kmemcheck wants to track the status of each byte in a page; this - * is a pointer to such a status block. NULL if not tracked. - */ - void *shadow; -#endif - #ifdef LAST_CPUPID_NOT_IN_PAGE_FLAGS int _last_cpupid; #endif @@ -398,9 +393,8 @@ struct mm_struct { */ atomic_t mm_count; - atomic_long_t nr_ptes; /* PTE page table pages */ -#if CONFIG_PGTABLE_LEVELS > 2 - atomic_long_t nr_pmds; /* PMD page table pages */ +#ifdef CONFIG_MMU + atomic_long_t pgtables_bytes; /* PTE page table pages */ #endif int map_count; /* number of VMAs */ @@ -445,6 +439,9 @@ struct mm_struct { unsigned long flags; /* Must use atomic bitops to access the bits */ struct core_state *core_state; /* coredumping support */ +#ifdef CONFIG_MEMBARRIER + atomic_t membarrier_state; +#endif #ifdef CONFIG_AIO spinlock_t ioctx_lock; struct kioctx_table __rcu *ioctx_table; |