[1/2] mm: compaction: use the correct type of list for free pages
Commit Message
Use the page->buddy_list instead of page->lru to clarify the correct type
of list for free pages.
Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com>
---
mm/compaction.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
Comments
On 07.07.23 10:51, Baolin Wang wrote:
> Use the page->buddy_list instead of page->lru to clarify the correct type
> of list for free pages.
>
> Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com>
> ---
> mm/compaction.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/mm/compaction.c b/mm/compaction.c
> index dbc9f86b1934..43358efdbdc2 100644
> --- a/mm/compaction.c
> +++ b/mm/compaction.c
> @@ -1500,7 +1500,7 @@ static void fast_isolate_freepages(struct compact_control *cc)
>
> spin_lock_irqsave(&cc->zone->lock, flags);
> freelist = &area->free_list[MIGRATE_MOVABLE];
> - list_for_each_entry_reverse(freepage, freelist, lru) {
> + list_for_each_entry_reverse(freepage, freelist, buddy_list) {
> unsigned long pfn;
>
> order_scanned++;
> @@ -1883,7 +1883,7 @@ static unsigned long fast_find_migrateblock(struct compact_control *cc)
>
> spin_lock_irqsave(&cc->zone->lock, flags);
> freelist = &area->free_list[MIGRATE_MOVABLE];
> - list_for_each_entry(freepage, freelist, lru) {
> + list_for_each_entry(freepage, freelist, buddy_list) {
> unsigned long free_pfn;
>
> if (nr_scanned++ >= limit) {
Reviewed-by: David Hildenbrand <david@redhat.com>
@@ -1500,7 +1500,7 @@ static void fast_isolate_freepages(struct compact_control *cc)
spin_lock_irqsave(&cc->zone->lock, flags);
freelist = &area->free_list[MIGRATE_MOVABLE];
- list_for_each_entry_reverse(freepage, freelist, lru) {
+ list_for_each_entry_reverse(freepage, freelist, buddy_list) {
unsigned long pfn;
order_scanned++;
@@ -1883,7 +1883,7 @@ static unsigned long fast_find_migrateblock(struct compact_control *cc)
spin_lock_irqsave(&cc->zone->lock, flags);
freelist = &area->free_list[MIGRATE_MOVABLE];
- list_for_each_entry(freepage, freelist, lru) {
+ list_for_each_entry(freepage, freelist, buddy_list) {
unsigned long free_pfn;
if (nr_scanned++ >= limit) {