Messages in this thread | | | Date | Wed, 23 Jun 1999 00:32:40 +0200 (CEST) | From | Ingo Molnar <> | Subject | Re: oops if free a locked page |
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On Wed, 23 Jun 1999, Andrea Arcangeli wrote:
> Right now I am using a put_page_refcount to decrease the page count > without calling free_pages by hand when I know I have some additional > refcount that can't trigger the page to be released for real, this way for > example I issue a put_page_refcount(2, page) in truncate_inode_pages > instead of a __free_page in try_to_free_buffers and two __free_pages in > truncate_inode_pages. [...]
yes thats a useful optimization indeed - was in my queue :). Although put_page(page,2) in truncate_inode_pages() is a bug if you look harder, the last put_page() is the 'final' one as well.
-- mingo
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