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Why struct meta_page?Why struct meta_page?Posted Aug 3, 2007 14:37 UTC (Fri) by i3839 (guest, #31386)In reply to: Why struct meta_page? by balbir_singh Parent article: Controlling memory use in containers
Unrelated to the above, your patch has
+#define PG_metapage 21 /* Used for checking if a meta_page */
but the flag only seems to be used for locking, not for checking anything like the comment says?
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Why struct meta_page? Posted Aug 4, 2007 9:30 UTC (Sat) by balbir_singh (subscriber, #34142) [Link] Yes, it is used for locking. The idea is to atomically check if a meta_page is already associated with a page.
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