On Mon, Feb 10, 2025 at 02:13:53PM +1030, Qu Wenruo wrote: > 在 2025/2/10 14:01, Matthew Wilcox 写道: > > > [ 58.305921] BTRFS info (device dm-0): using free-space-tree > > > [ 58.319296] run fstests generic/437 at 2025-02-10 13:24:19 > > > [ 59.283069] BUG: Bad rss-counter state mm:0000000048578720 > > > type:MM_FILEPAGES val:1 > > We need to figure out how we came to not unmap the page from the page > > tables originally. Looking through the merge log of the mm tree, my > > suspicion falls on the following patchsets: > > > > - "synchronously scan and reclaim empty user PTE pages" from Qi Zheng > > addresses an issue where "huge" amounts of pte pagetables are > > accumulated: https://lore.kernel.org/linux-mm/2766D04E-5A04-4BF6-A2A3-5683A3054973@xxxxxxxxxx/ looks like a similar splat with the problem narrowed down to the reclaim PTE pages patchset.
