On 10/31/22 9:13 AM, Mike Kravetz wrote:
On 10/13/22 20:12, Sidhartha Kumar wrote:
Introduce folios in __remove_hugetlb_page() by converting
hugetlb_cgroup_from_page() to use folios.
Also gets rid of unsed hugetlb_cgroup_from_page_resv() function.
Signed-off-by: Sidhartha Kumar <sidhartha.kumar@xxxxxxxxxx>
---
include/linux/hugetlb_cgroup.h | 39 +++++++++++++++++-----------------
mm/hugetlb.c | 5 +++--
mm/hugetlb_cgroup.c | 13 +++++++-----
3 files changed, 31 insertions(+), 26 deletions(-)
Changes look fine. However ...
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 4133ffbbeb50..bcb9bfce32ee 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -1434,9 +1434,10 @@ static void __remove_hugetlb_page(struct hstate *h, struct page *page,
bool demote)
{
int nid = page_to_nid(page);
+ struct folio *folio = page_folio(page);
- VM_BUG_ON_PAGE(hugetlb_cgroup_from_page(page), page);
- VM_BUG_ON_PAGE(hugetlb_cgroup_from_page_rsvd(page), page);
+ VM_BUG_ON_FOLIO(hugetlb_cgroup_from_folio(folio), folio);
+ VM_BUG_ON_FOLIO(hugetlb_cgroup_from_folio_rsvd(folio), folio);
lockdep_assert_held(&hugetlb_lock);
if (hstate_is_gigantic(h) && !gigantic_page_runtime_supported())
... there is also this a little further in the routine.
if (HPageFreed(page)) {
Should probably change this to?
if (folio_test_hugetlb_freed(folio)) {
Or, is that part of a planned subsequent change?
I will be including this change in a subsequent patch series I plan to
send out this week.
Thanks,
Sidhartha Kumar
