Re: [PATCH v11 0/6] Use pageblock_order for cma and alloc_contig_range alignment.

[Qian Cai]

On Fri, May 20, 2022 at 10:13:51AM -0400, Zi Yan wrote:
> Also, do you mind providing the page dump of the 512-page compound page? I would like
> to know what page caused the issue.

 page last allocated via order 9, migratetype Movable, gfp_mask 0x3c24ca(GFP_TRANSHUGE|__GFP_THISNODE), pid 831, tgid 831 (khugepaged), ts 3899865924520, free_ts 3821953009040
  post_alloc_hook
  get_page_from_freelist
  __alloc_pages
  khugepaged_alloc_page
  collapse_huge_page
  khugepaged_scan_pmd
  khugepaged_scan_mm_slot
  khugepaged
  kthread
  ret_from_fork
 page last free stack trace:
  free_pcp_prepare
  free_unref_page
  free_compound_page
  free_transhuge_page
  __put_compound_page
  release_pages
  free_pages_and_swap_cache
  tlb_batch_pages_flush
  tlb_finish_mmu
  exit_mmap
  __mmput
  mmput
  exit_mm
  do_exit
  do_group_exit
  __arm64_sys_exit_group