| | From | David Howells <> | | Subject | Re: [PATCH 05/45] FS-Cache: Release page->private after failed readahead [ver #41] | | Date | Fri, 21 Nov 2008 10:27:09 +0000 | |
Andrew Morton <akpm@linux-foundation.org> wrote:
> > + if (TestSetPageLocked(page))> > This got obsoleted by trylock_page().> > I don't remember why, actually.
trylock_page() throws memory barriers in there on, say, PowerPC. That's
probably necessary.
David
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