Messages in this thread | | | From | David Howells <> | Subject | Re: [PATCH v14 019/138] mm/filemap: Add folio_lock_killable() | Date | Tue, 10 Aug 2021 16:32:57 +0100 |
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Matthew Wilcox (Oracle) <willy@infradead.org> 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 19 bytes smaller than __lock_page_killable() > was. filemap_fault() shrinks by 74 bytes and __lock_page_or_retry() > shrinks by 71 bytes. That's a total of 164 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: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> > Acked-by: Vlastimil Babka <vbabka@suse.cz> > Reviewed-by: William Kucharski <william.kucharski@oracle.com>
Reviewed-by: David Howells <dhowells@redhat.com>
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