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| author | Yin Fengwei <fengwei.yin@intel.com> | 2023-08-02 16:14:03 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-08-24 16:20:26 -0700 |
| commit | 86f35f69db8e7d169c36472a349507ab0a461f49 (patch) | |
| tree | 72a38ed4748d5576a12bc29b08da0a50a6502c98 /include/linux/rmap.h | |
| parent | de74976eb65151a2f568e477fc2e0032df5b22b4 (diff) | |
| download | linux-86f35f69db8e7d169c36472a349507ab0a461f49.tar.gz linux-86f35f69db8e7d169c36472a349507ab0a461f49.tar.bz2 linux-86f35f69db8e7d169c36472a349507ab0a461f49.zip | |
rmap: add folio_add_file_rmap_range()
folio_add_file_rmap_range() allows to add pte mapping to a specific range
of file folio. Comparing to page_add_file_rmap(), it batched updates
__lruvec_stat for large folio.
Link: https://lkml.kernel.org/r/20230802151406.3735276-36-willy@infradead.org
Signed-off-by: Yin Fengwei <fengwei.yin@intel.com>
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include/linux/rmap.h')
| -rw-r--r-- | include/linux/rmap.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/rmap.h b/include/linux/rmap.h index b87d01660412..a3825ce81102 100644 --- a/include/linux/rmap.h +++ b/include/linux/rmap.h @@ -198,6 +198,8 @@ void folio_add_new_anon_rmap(struct folio *, struct vm_area_struct *, unsigned long address); void page_add_file_rmap(struct page *, struct vm_area_struct *, bool compound); +void folio_add_file_rmap_range(struct folio *, struct page *, unsigned int nr, + struct vm_area_struct *, bool compound); void page_remove_rmap(struct page *, struct vm_area_struct *, bool compound); |