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@xxxxxxxxxxxxx> > Reviewed-by: Christoph Hellwig <hch@xxxxxx> > Acked-by: Jeff Layton <jlayton@xxxxxxxxxx> Acked-by: Vlastimil Babka <vbabka@xxxxxxx>
