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Diffstat (limited to 'mm')
-rw-r--r--mm/hugetlb.c2
-rw-r--r--mm/memcontrol.c17
-rw-r--r--mm/mempolicy.c11
-rw-r--r--mm/migrate.c16
-rw-r--r--mm/nobootmem.c10
-rw-r--r--mm/swap_state.c2
-rw-r--r--mm/vmscan.c11
-rw-r--r--mm/vmstat.c4
8 files changed, 40 insertions, 33 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index cd65cb19c94..5a16423a512 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -532,7 +532,7 @@ static struct page *dequeue_huge_page_vma(struct hstate *h,
struct vm_area_struct *vma,
unsigned long address, int avoid_reserve)
{
- struct page *page;
+ struct page *page = NULL;
struct mempolicy *mpol;
nodemask_t *nodemask;
struct zonelist *zonelist;
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index b868def9bcc..31ab9c3f017 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -2476,10 +2476,10 @@ struct mem_cgroup *try_get_mem_cgroup_from_page(struct page *page)
static void __mem_cgroup_commit_charge(struct mem_cgroup *memcg,
struct page *page,
unsigned int nr_pages,
- struct page_cgroup *pc,
enum charge_type ctype,
bool lrucare)
{
+ struct page_cgroup *pc = lookup_page_cgroup(page);
struct zone *uninitialized_var(zone);
bool was_on_lru = false;
bool anon;
@@ -2716,7 +2716,6 @@ static int mem_cgroup_charge_common(struct page *page, struct mm_struct *mm,
{
struct mem_cgroup *memcg = NULL;
unsigned int nr_pages = 1;
- struct page_cgroup *pc;
bool oom = true;
int ret;
@@ -2730,11 +2729,10 @@ static int mem_cgroup_charge_common(struct page *page, struct mm_struct *mm,
oom = false;
}
- pc = lookup_page_cgroup(page);
ret = __mem_cgroup_try_charge(mm, gfp_mask, nr_pages, &memcg, oom);
if (ret == -ENOMEM)
return ret;
- __mem_cgroup_commit_charge(memcg, page, nr_pages, pc, ctype, false);
+ __mem_cgroup_commit_charge(memcg, page, nr_pages, ctype, false);
return 0;
}
@@ -2831,16 +2829,13 @@ static void
__mem_cgroup_commit_charge_swapin(struct page *page, struct mem_cgroup *memcg,
enum charge_type ctype)
{
- struct page_cgroup *pc;
-
if (mem_cgroup_disabled())
return;
if (!memcg)
return;
cgroup_exclude_rmdir(&memcg->css);
- pc = lookup_page_cgroup(page);
- __mem_cgroup_commit_charge(memcg, page, 1, pc, ctype, true);
+ __mem_cgroup_commit_charge(memcg, page, 1, ctype, true);
/*
* Now swap is on-memory. This means this page may be
* counted both as mem and swap....double count.
@@ -3298,14 +3293,13 @@ int mem_cgroup_prepare_migration(struct page *page,
* page. In the case new page is migrated but not remapped, new page's
* mapcount will be finally 0 and we call uncharge in end_migration().
*/
- pc = lookup_page_cgroup(newpage);
if (PageAnon(page))
ctype = MEM_CGROUP_CHARGE_TYPE_MAPPED;
else if (page_is_file_cache(page))
ctype = MEM_CGROUP_CHARGE_TYPE_CACHE;
else
ctype = MEM_CGROUP_CHARGE_TYPE_SHMEM;
- __mem_cgroup_commit_charge(memcg, newpage, 1, pc, ctype, false);
+ __mem_cgroup_commit_charge(memcg, newpage, 1, ctype, false);
return ret;
}
@@ -3392,8 +3386,7 @@ void mem_cgroup_replace_page_cache(struct page *oldpage,
* the newpage may be on LRU(or pagevec for LRU) already. We lock
* LRU while we overwrite pc->mem_cgroup.
*/
- pc = lookup_page_cgroup(newpage);
- __mem_cgroup_commit_charge(memcg, newpage, 1, pc, type, true);
+ __mem_cgroup_commit_charge(memcg, newpage, 1, type, true);
}
#ifdef CONFIG_DEBUG_VM
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index cfb6c867875..b1956913752 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -1361,11 +1361,14 @@ SYSCALL_DEFINE4(migrate_pages, pid_t, pid, unsigned long, maxnode,
mm = get_task_mm(task);
put_task_struct(task);
- if (mm)
- err = do_migrate_pages(mm, old, new,
- capable(CAP_SYS_NICE) ? MPOL_MF_MOVE_ALL : MPOL_MF_MOVE);
- else
+
+ if (!mm) {
err = -EINVAL;
+ goto out;
+ }
+
+ err = do_migrate_pages(mm, old, new,
+ capable(CAP_SYS_NICE) ? MPOL_MF_MOVE_ALL : MPOL_MF_MOVE);
mmput(mm);
out:
diff --git a/mm/migrate.c b/mm/migrate.c
index 51c08a0c6f6..11072383ae1 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -1388,14 +1388,14 @@ SYSCALL_DEFINE6(move_pages, pid_t, pid, unsigned long, nr_pages,
mm = get_task_mm(task);
put_task_struct(task);
- if (mm) {
- if (nodes)
- err = do_pages_move(mm, task_nodes, nr_pages, pages,
- nodes, status, flags);
- else
- err = do_pages_stat(mm, nr_pages, pages, status);
- } else
- err = -EINVAL;
+ if (!mm)
+ return -EINVAL;
+
+ if (nodes)
+ err = do_pages_move(mm, task_nodes, nr_pages, pages,
+ nodes, status, flags);
+ else
+ err = do_pages_stat(mm, nr_pages, pages, status);
mmput(mm);
return err;
diff --git a/mm/nobootmem.c b/mm/nobootmem.c
index 24f0fc1a56d..e53bb8a256b 100644
--- a/mm/nobootmem.c
+++ b/mm/nobootmem.c
@@ -298,13 +298,19 @@ void * __init __alloc_bootmem_node(pg_data_t *pgdat, unsigned long size,
if (WARN_ON_ONCE(slab_is_available()))
return kzalloc_node(size, GFP_NOWAIT, pgdat->node_id);
+again:
ptr = __alloc_memory_core_early(pgdat->node_id, size, align,
goal, -1ULL);
if (ptr)
return ptr;
- return __alloc_memory_core_early(MAX_NUMNODES, size, align,
- goal, -1ULL);
+ ptr = __alloc_memory_core_early(MAX_NUMNODES, size, align,
+ goal, -1ULL);
+ if (!ptr && goal) {
+ goal = 0;
+ goto again;
+ }
+ return ptr;
}
void * __init __alloc_bootmem_node_high(pg_data_t *pgdat, unsigned long size,
diff --git a/mm/swap_state.c b/mm/swap_state.c
index 9d3dd3763cf..4c5ff7f284d 100644
--- a/mm/swap_state.c
+++ b/mm/swap_state.c
@@ -26,7 +26,7 @@
*/
static const struct address_space_operations swap_aops = {
.writepage = swap_writepage,
- .set_page_dirty = __set_page_dirty_nobuffers,
+ .set_page_dirty = __set_page_dirty_no_writeback,
.migratepage = migrate_page,
};
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 1a518684a32..33dc256033b 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1568,9 +1568,14 @@ shrink_inactive_list(unsigned long nr_to_scan, struct mem_cgroup_zone *mz,
reclaim_stat->recent_scanned[0] += nr_anon;
reclaim_stat->recent_scanned[1] += nr_file;
- if (current_is_kswapd())
- __count_vm_events(KSWAPD_STEAL, nr_reclaimed);
- __count_zone_vm_events(PGSTEAL, zone, nr_reclaimed);
+ if (global_reclaim(sc)) {
+ if (current_is_kswapd())
+ __count_zone_vm_events(PGSTEAL_KSWAPD, zone,
+ nr_reclaimed);
+ else
+ __count_zone_vm_events(PGSTEAL_DIRECT, zone,
+ nr_reclaimed);
+ }
putback_inactive_pages(mz, &page_list);
diff --git a/mm/vmstat.c b/mm/vmstat.c
index f600557a765..7db1b9bab49 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -738,7 +738,8 @@ const char * const vmstat_text[] = {
"pgmajfault",
TEXTS_FOR_ZONES("pgrefill")
- TEXTS_FOR_ZONES("pgsteal")
+ TEXTS_FOR_ZONES("pgsteal_kswapd")
+ TEXTS_FOR_ZONES("pgsteal_direct")
TEXTS_FOR_ZONES("pgscan_kswapd")
TEXTS_FOR_ZONES("pgscan_direct")
@@ -747,7 +748,6 @@ const char * const vmstat_text[] = {
#endif
"pginodesteal",
"slabs_scanned",
- "kswapd_steal",
"kswapd_inodesteal",
"kswapd_low_wmark_hit_quickly",
"kswapd_high_wmark_hit_quickly",
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-04 19:27:43 +0000