diff options
Diffstat (limited to 'include/linux/mm_types.h')
| -rw-r--r-- | include/linux/mm_types.h | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index 6a7a1083b6fb..2222fa795284 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -25,7 +25,6 @@ struct address_space; struct mem_cgroup; -struct hmm; /* * Each physical page in the system has a struct page associated with @@ -139,6 +138,7 @@ struct page { struct { /* Second tail page of compound page */ unsigned long _compound_pad_1; /* compound_head */ unsigned long _compound_pad_2; + /* For both global and memcg */ struct list_head deferred_list; }; struct { /* Page table pages */ @@ -383,6 +383,16 @@ struct mm_struct { unsigned long highest_vm_end; /* highest vma end address */ pgd_t * pgd; +#ifdef CONFIG_MEMBARRIER + /** + * @membarrier_state: Flags controlling membarrier behavior. + * + * This field is close to @pgd to hopefully fit in the same + * cache-line, which needs to be touched by switch_mm(). + */ + atomic_t membarrier_state; +#endif + /** * @mm_users: The number of users including userspace. * @@ -452,9 +462,7 @@ struct mm_struct { unsigned long flags; /* Must use atomic bitops to access */ 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; @@ -511,11 +519,6 @@ struct mm_struct { atomic_long_t hugetlb_usage; #endif struct work_struct async_put_work; - -#ifdef CONFIG_HMM_MIRROR - /* HMM needs to track a few things per mm */ - struct hmm *hmm; -#endif } __randomize_layout; /* |