On 3/27/26 02:42, Zi Yan wrote: > collapse_file() requires FSes supporting large folio with at least > PMD_ORDER, so replace the READ_ONLY_THP_FOR_FS check with that. shmem with > huge option turned on also sets large folio order on mapping, so the check > also applies to shmem. > > While at it, replace VM_BUG_ON with returning failure values.
Why not VM_WARN_ON_ONCE() ? These are conditions that must be checked earlier, no? -- Cheers, David
