diff options
| author |   Matthew Wilcox (Oracle) <willy@infradead.org> | 2023-08-16 16:11:52 +0100 |
|---|---|---|
| committer |   Andrew Morton <akpm@linux-foundation.org> | 2023-08-21 14:28:43 -0700 |
| commit | 8dc4a8f1e038189cb575f89bcd23364698b88cc1 (patch) | |
| tree | 000cc2ba54fe80c8b41ba25dc5791f55d338a137 /include/linux/huge_mm.h | |
| parent | mm: convert free_huge_page() to free_huge_folio() (diff) | |
| download | wireguard-linux-8dc4a8f1e038189cb575f89bcd23364698b88cc1.tar.xz wireguard-linux-8dc4a8f1e038189cb575f89bcd23364698b88cc1.zip | |
mm: convert free_transhuge_folio() to folio_undo_large_rmappable()
Indirect calls are expensive, thanks to Spectre. Test for
TRANSHUGE_PAGE_DTOR and destroy the folio appropriately. Move the
free_compound_page() call into destroy_large_folio() to simplify later
patches.
Link: https://lkml.kernel.org/r/20230816151201.3655946-5-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: David Hildenbrand <david@redhat.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Sidhartha Kumar <sidhartha.kumar@oracle.com>
Cc: Yanteng Si <siyanteng@loongson.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include/linux/huge_mm.h')
| -rw-r--r-- | include/linux/huge_mm.h | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h index e718dbe928ba..ceda26a20830 100644 --- a/include/linux/huge_mm.h +++ b/include/linux/huge_mm.h @@ -141,8 +141,6 @@ unsigned long thp_get_unmapped_area(struct file *filp, unsigned long addr, unsigned long len, unsigned long pgoff, unsigned long flags); void prep_transhuge_page(struct page *page); -void free_transhuge_page(struct page *page); - bool can_split_folio(struct folio *folio, int *pextra_pins); int split_huge_page_to_list(struct page *page, struct list_head *list); static inline int split_huge_page(struct page *page) |