diff options
| author | Baolin Wang <baolin.wang@linux.alibaba.com> | 2025-05-13 14:56:35 +0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-05-22 14:55:38 -0700 |
| commit | cc79061b8fc119807111b615aa791562374b15b2 (patch) | |
| tree | 612863a6d2864d825b1b8cb2589c2e63df935133 /include/linux | |
| parent | 19e0713bbe4a682b651dfd3773d2a06a9d61c47b (diff) | |
mm: khugepaged: decouple SHMEM and file folios' collapse
Originally, the file pages collapse was intended for tmpfs/shmem to merge
into THP in the background. However, now not only tmpfs/shmem can support
large folios, but some other file systems (such as XFS, erofs ...) also
support large folios. Therefore, it is time to decouple the support of
file folios collapse from SHMEM.
Link: https://lkml.kernel.org/r/ce5c2314e0368cf34bda26f9bacf01c982d4da17.1747119309.git.baolin.wang@linux.alibaba.com
Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Acked-by: David Hildenbrand <david@redhat.com>
Acked-by: Zi Yan <ziy@nvidia.com>
Cc: Dev Jain <dev.jain@arm.com>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Mariano Pache <npache@redhat.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/khugepaged.h | 8 |
1 files changed, 0 insertions, 8 deletions
diff --git a/include/linux/khugepaged.h b/include/linux/khugepaged.h index 1f46046080f5..b8d69cfbb58b 100644 --- a/include/linux/khugepaged.h +++ b/include/linux/khugepaged.h @@ -15,16 +15,8 @@ extern void khugepaged_enter_vma(struct vm_area_struct *vma, unsigned long vm_flags); extern void khugepaged_min_free_kbytes_update(void); extern bool current_is_khugepaged(void); -#ifdef CONFIG_SHMEM extern int collapse_pte_mapped_thp(struct mm_struct *mm, unsigned long addr, bool install_pmd); -#else -static inline int collapse_pte_mapped_thp(struct mm_struct *mm, - unsigned long addr, bool install_pmd) -{ - return 0; -} -#endif static inline void khugepaged_fork(struct mm_struct *mm, struct mm_struct *oldmm) { |