Date: Fri, 27 Jan 2006 23:42:40 GMT From: Alan Cox <alc@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 90532 for review Message-ID: <200601272342.k0RNgekP066066@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=90532 Change 90532 by alc@alc_home on 2006/01/27 23:42:15 Introduce PG_CACHE. Soon, the free and cache queues will be merged so that the buddy allocator has a greater chance of providing large, contiguous blocks of memory. At that time, this flag will be used to distinguish "free" pages that still cache data (and belong to a vm object). Affected files ... .. //depot/projects/superpages/src/sys/vm/vm_page.h#7 edit Differences ... ==== //depot/projects/superpages/src/sys/vm/vm_page.h#7 (text+ko) ==== @@ -194,6 +194,7 @@ #define PG_WINATCFLS 0x0004 /* flush dirty page on inactive q */ #define PG_FICTITIOUS 0x0008 /* physical page doesn't exist (O) */ #define PG_WRITEABLE 0x0010 /* page is mapped writeable */ +#define PG_CACHE 0x0020 /* page is easily freed */ #define PG_ZERO 0x0040 /* page is zeroed */ #define PG_REFERENCED 0x0080 /* page has been referenced */ #define PG_CLEANCHK 0x0100 /* page will be checked for cleaning */
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