Messages in this thread | | | Subject | Re: [PATCH v10 20/33] mm/filemap: Add folio_lock_killable | From | Vlastimil Babka <> | Date | Tue, 18 May 2021 12:31:50 +0200 |
| |
On 5/11/21 11:47 PM, Matthew Wilcox (Oracle) wrote: > This is like lock_page_killable() but for use by callers who > know they have a folio. Convert __lock_page_killable() to be > __folio_lock_killable(). This saves one call to compound_head() per > contended call to lock_page_killable(). > > __folio_lock_killable() is 20 bytes smaller than __lock_page_killable() > was. lock_page_maybe_drop_mmap() shrinks by 68 bytes and > __lock_page_or_retry() shrinks by 66 bytes. That's a total of 154 bytes > of text saved. > > Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> > Reviewed-by: Christoph Hellwig <hch@lst.de> > Acked-by: Jeff Layton <jlayton@kernel.org>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
| |