diff options
| -rw-r--r-- | include/linux/migrate.h | 5 | ||||
| -rw-r--r-- | mm/compaction.c | 2 | ||||
| -rw-r--r-- | mm/gup.c | 2 | ||||
| -rw-r--r-- | mm/memory-failure.c | 2 | ||||
| -rw-r--r-- | mm/memory_hotplug.c | 2 | ||||
| -rw-r--r-- | mm/mempolicy.c | 4 | ||||
| -rw-r--r-- | mm/migrate.c | 11 | ||||
| -rw-r--r-- | mm/page_alloc.c | 2 |
8 files changed, 18 insertions, 12 deletions
diff --git a/include/linux/migrate.h b/include/linux/migrate.h index 23dadf7aeba8..8ab88d46318e 100644 --- a/include/linux/migrate.h +++ b/include/linux/migrate.h @@ -41,7 +41,8 @@ extern int migrate_page(struct address_space *mapping, struct page *newpage, struct page *page, enum migrate_mode mode); extern int migrate_pages(struct list_head *l, new_page_t new, free_page_t free, - unsigned long private, enum migrate_mode mode, int reason); + unsigned long private, enum migrate_mode mode, int reason, + unsigned int *ret_succeeded); extern struct page *alloc_migration_target(struct page *page, unsigned long private); extern int isolate_movable_page(struct page *page, isolate_mode_t mode); @@ -56,7 +57,7 @@ extern int migrate_page_move_mapping(struct address_space *mapping, static inline void putback_movable_pages(struct list_head *l) {} static inline int migrate_pages(struct list_head *l, new_page_t new, free_page_t free, unsigned long private, enum migrate_mode mode, - int reason) + int reason, unsigned int *ret_succeeded) { return -ENOSYS; } static inline struct page *alloc_migration_target(struct page *page, unsigned long private) diff --git a/mm/compaction.c b/mm/compaction.c index 621508e0ecd5..61fb64f47a06 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -2398,7 +2398,7 @@ compact_zone(struct compact_control *cc, struct capture_control *capc) err = migrate_pages(&cc->migratepages, compaction_alloc, compaction_free, (unsigned long)cc, cc->mode, - MR_COMPACTION); + MR_COMPACTION, NULL); trace_mm_compaction_migratepages(cc->nr_migratepages, err, &cc->migratepages); @@ -1772,7 +1772,7 @@ static long check_and_migrate_movable_pages(unsigned long nr_pages, if (!list_empty(&movable_page_list)) { ret = migrate_pages(&movable_page_list, alloc_migration_target, NULL, (unsigned long)&mtc, MIGRATE_SYNC, - MR_LONGTERM_PIN); + MR_LONGTERM_PIN, NULL); if (ret && !list_empty(&movable_page_list)) putback_movable_pages(&movable_page_list); } diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 2f925615e573..517789b03961 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -2099,7 +2099,7 @@ static int __soft_offline_page(struct page *page) if (isolate_page(hpage, &pagelist)) { ret = migrate_pages(&pagelist, alloc_migration_target, NULL, - (unsigned long)&mtc, MIGRATE_SYNC, MR_MEMORY_FAILURE); + (unsigned long)&mtc, MIGRATE_SYNC, MR_MEMORY_FAILURE, NULL); if (!ret) { bool release = !huge; diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index 86c3af79e874..4c527a80b6c9 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -1469,7 +1469,7 @@ do_migrate_range(unsigned long start_pfn, unsigned long end_pfn) if (nodes_empty(nmask)) node_set(mtc.nid, nmask); ret = migrate_pages(&source, alloc_migration_target, NULL, - (unsigned long)&mtc, MIGRATE_SYNC, MR_MEMORY_HOTPLUG); + (unsigned long)&mtc, MIGRATE_SYNC, MR_MEMORY_HOTPLUG, NULL); if (ret) { list_for_each_entry(page, &source, lru) { if (__ratelimit(&migrate_rs)) { diff --git a/mm/mempolicy.c b/mm/mempolicy.c index e32360e90274..939eabcaf488 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -1084,7 +1084,7 @@ static int migrate_to_node(struct mm_struct *mm, int source, int dest, if (!list_empty(&pagelist)) { err = migrate_pages(&pagelist, alloc_migration_target, NULL, - (unsigned long)&mtc, MIGRATE_SYNC, MR_SYSCALL); + (unsigned long)&mtc, MIGRATE_SYNC, MR_SYSCALL, NULL); if (err) putback_movable_pages(&pagelist); } @@ -1338,7 +1338,7 @@ static long do_mbind(unsigned long start, unsigned long len, if (!list_empty(&pagelist)) { WARN_ON_ONCE(flags & MPOL_MF_LAZY); nr_failed = migrate_pages(&pagelist, new_page, NULL, - start, MIGRATE_SYNC, MR_MEMPOLICY_MBIND); + start, MIGRATE_SYNC, MR_MEMPOLICY_MBIND, NULL); if (nr_failed) putback_movable_pages(&pagelist); } diff --git a/mm/migrate.c b/mm/migrate.c index 0c12af203b68..ae923e9b8874 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -1429,6 +1429,8 @@ static inline int try_split_thp(struct page *page, struct page **page2, * @mode: The migration mode that specifies the constraints for * page migration, if any. * @reason: The reason for page migration. + * @ret_succeeded: Set to the number of pages migrated successfully if + * the caller passes a non-NULL pointer. * * The function returns after 10 attempts or if no pages are movable any more * because the list has become empty or no retryable pages exist any more. @@ -1439,7 +1441,7 @@ static inline int try_split_thp(struct page *page, struct page **page2, */ int migrate_pages(struct list_head *from, new_page_t get_new_page, free_page_t put_new_page, unsigned long private, - enum migrate_mode mode, int reason) + enum migrate_mode mode, int reason, unsigned int *ret_succeeded) { int retry = 1; int thp_retry = 1; @@ -1594,6 +1596,9 @@ out: if (!swapwrite) current->flags &= ~PF_SWAPWRITE; + if (ret_succeeded) + *ret_succeeded = nr_succeeded; + return rc; } @@ -1663,7 +1668,7 @@ static int do_move_pages_to_node(struct mm_struct *mm, }; err = migrate_pages(pagelist, alloc_migration_target, NULL, - (unsigned long)&mtc, MIGRATE_SYNC, MR_SYSCALL); + (unsigned long)&mtc, MIGRATE_SYNC, MR_SYSCALL, NULL); if (err) putback_movable_pages(pagelist); return err; @@ -2178,7 +2183,7 @@ int migrate_misplaced_page(struct page *page, struct vm_area_struct *vma, list_add(&page->lru, &migratepages); nr_remaining = migrate_pages(&migratepages, *new, NULL, node, - MIGRATE_ASYNC, MR_NUMA_MISPLACED); + MIGRATE_ASYNC, MR_NUMA_MISPLACED, NULL); if (nr_remaining) { if (!list_empty(&migratepages)) { list_del(&page->lru); diff --git a/mm/page_alloc.c b/mm/page_alloc.c index cafdca874e0d..f95e1d2386a1 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -8990,7 +8990,7 @@ static int __alloc_contig_migrate_range(struct compact_control *cc, cc->nr_migratepages -= nr_reclaimed; ret = migrate_pages(&cc->migratepages, alloc_migration_target, - NULL, (unsigned long)&mtc, cc->mode, MR_CONTIG_RANGE); + NULL, (unsigned long)&mtc, cc->mode, MR_CONTIG_RANGE, NULL); /* * On -ENOMEM, migrate_pages() bails out right away. It is pointless |