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| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2022-02-12 21:27:42 +0100 |
|---|---|---|
| committer | Matthew Wilcox (Oracle) <willy@infradead.org> | 2022-03-21 17:59:01 +0100 |
| commit | 1b8ddbeeb9b819e62b7190115023ce858a159f5c (patch) | |
| tree | 46665243b7be89ad71c6e56b1e8ae42923369a90 /kernel/futex | |
| parent | splice: Use a folio in page_cache_pipe_buf_try_steal() (diff) | |
| download | linux-1b8ddbeeb9b819e62b7190115023ce858a159f5c.tar.xz linux-1b8ddbeeb9b819e62b7190115023ce858a159f5c.zip | |
mm/truncate: Inline invalidate_complete_page() into its one caller
invalidate_inode_page() is the only caller of invalidate_complete_page()
and inlining it reveals that the first check is unnecessary (because we
hold the page locked, and we just retrieved the mapping from the page).
Actually, it does make a difference, in that tail pages no longer fail
at this check, so it's now possible to remove a tail page from a mapping.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: John Hubbard <jhubbard@nvidia.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'kernel/futex')
| -rw-r--r-- | kernel/futex/core.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/futex/core.c b/kernel/futex/core.c index 51dd822a8060..b22ef1efe751 100644 --- a/kernel/futex/core.c +++ b/kernel/futex/core.c @@ -302,7 +302,7 @@ again: * found it, but truncated or holepunched or subjected to * invalidate_complete_page2 before we got the page lock (also * cases which we are happy to fail). And we hold a reference, - * so refcount care in invalidate_complete_page's remove_mapping + * so refcount care in invalidate_inode_page's remove_mapping * prevents drop_caches from setting mapping to NULL beneath us. * * The case we do have to guard against is when memory pressure made |