diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/filemap.c | 8 | ||||
| -rw-r--r-- | mm/huge_memory.c | 2 | ||||
| -rw-r--r-- | mm/memcontrol.c | 5 | ||||
| -rw-r--r-- | mm/oom_kill.c | 2 | ||||
| -rw-r--r-- | mm/page_alloc.c | 4 | ||||
| -rw-r--r-- | mm/page_owner.c | 4 | ||||
| -rw-r--r-- | mm/swapfile.c | 4 |
7 files changed, 18 insertions, 11 deletions
diff --git a/mm/filemap.c b/mm/filemap.c index 570f4e1bc4d3..9fc8f1fbd38e 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -826,10 +826,10 @@ int replace_page_cache_page(struct page *old, struct page *new, gfp_t gfp_mask) } EXPORT_SYMBOL_GPL(replace_page_cache_page); -static int __add_to_page_cache_locked(struct page *page, - struct address_space *mapping, - pgoff_t offset, gfp_t gfp_mask, - void **shadowp) +noinline int __add_to_page_cache_locked(struct page *page, + struct address_space *mapping, + pgoff_t offset, gfp_t gfp_mask, + void **shadowp) { XA_STATE(xas, &mapping->i_pages, offset); int huge = PageHuge(page); diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 74300e337c3c..358403422104 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -2449,7 +2449,7 @@ static void __split_huge_page(struct page *page, struct list_head *list, ClearPageCompound(head); - split_page_owner(head, HPAGE_PMD_ORDER); + split_page_owner(head, HPAGE_PMD_NR); /* See comment in __split_huge_page_tail() */ if (PageAnon(head)) { diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 13f559af1ab6..6795bdf66256 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -5276,7 +5276,7 @@ static struct page *mc_handle_swap_pte(struct vm_area_struct *vma, struct page *page = NULL; swp_entry_t ent = pte_to_swp_entry(ptent); - if (!(mc.flags & MOVE_ANON) || non_swap_entry(ent)) + if (!(mc.flags & MOVE_ANON)) return NULL; /* @@ -5295,6 +5295,9 @@ static struct page *mc_handle_swap_pte(struct vm_area_struct *vma, return page; } + if (non_swap_entry(ent)) + return NULL; + /* * Because lookup_swap_cache() updates some statistics counter, * we call find_get_page() with swapper_space directly. diff --git a/mm/oom_kill.c b/mm/oom_kill.c index 6e94962893ee..67e5bb0900b3 100644 --- a/mm/oom_kill.c +++ b/mm/oom_kill.c @@ -64,6 +64,8 @@ int sysctl_oom_dump_tasks = 1; * and mark_oom_victim */ DEFINE_MUTEX(oom_lock); +/* Serializes oom_score_adj and oom_score_adj_min updates */ +DEFINE_MUTEX(oom_adj_mutex); static inline bool is_memcg_oom(struct oom_control *oc) { diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 43f6d91f5715..8cc774340d49 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -3213,7 +3213,7 @@ void split_page(struct page *page, unsigned int order) for (i = 1; i < (1 << order); i++) set_page_refcounted(page + i); - split_page_owner(page, order); + split_page_owner(page, 1 << order); } EXPORT_SYMBOL_GPL(split_page); @@ -3487,7 +3487,7 @@ static inline bool __should_fail_alloc_page(gfp_t gfp_mask, unsigned int order) #endif /* CONFIG_FAIL_PAGE_ALLOC */ -static noinline bool should_fail_alloc_page(gfp_t gfp_mask, unsigned int order) +noinline bool should_fail_alloc_page(gfp_t gfp_mask, unsigned int order) { return __should_fail_alloc_page(gfp_mask, order); } diff --git a/mm/page_owner.c b/mm/page_owner.c index 360461509423..4ca3051a1035 100644 --- a/mm/page_owner.c +++ b/mm/page_owner.c @@ -204,7 +204,7 @@ void __set_page_owner_migrate_reason(struct page *page, int reason) page_owner->last_migrate_reason = reason; } -void __split_page_owner(struct page *page, unsigned int order) +void __split_page_owner(struct page *page, unsigned int nr) { int i; struct page_ext *page_ext = lookup_page_ext(page); @@ -213,7 +213,7 @@ void __split_page_owner(struct page *page, unsigned int order) if (unlikely(!page_ext)) return; - for (i = 0; i < (1 << order); i++) { + for (i = 0; i < nr; i++) { page_owner = get_page_owner(page_ext); page_owner->order = 0; page_ext = page_ext_next(page_ext); diff --git a/mm/swapfile.c b/mm/swapfile.c index 26707c5dc9fc..605294e4df68 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -3336,7 +3336,7 @@ SYSCALL_DEFINE2(swapon, const char __user *, specialfile, int, swap_flags) error = inode_drain_writes(inode); if (error) { inode->i_flags &= ~S_SWAPFILE; - goto bad_swap_unlock_inode; + goto free_swap_address_space; } mutex_lock(&swapon_mutex); @@ -3361,6 +3361,8 @@ SYSCALL_DEFINE2(swapon, const char __user *, specialfile, int, swap_flags) error = 0; goto out; +free_swap_address_space: + exit_swap_address_space(p->type); bad_swap_unlock_inode: inode_unlock(inode); bad_swap: |