Date: Sat, 15 Sep 2007 19:41:49 GMT From: Kip Macy <kmacy@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 126437 for review Message-ID: <200709151941.l8FJfn3Q097756@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=126437 Change 126437 by kmacy@kmacy_home:ethng on 2007/09/15 19:41:10 switch x86_64 over to allocating kva for contigmalloc out of the direct map Affected files ... .. //depot/projects/ethng/src/sys/amd64/amd64/vm_machdep.c#2 edit .. //depot/projects/ethng/src/sys/amd64/include/vmparam.h#2 edit Differences ... ==== //depot/projects/ethng/src/sys/amd64/amd64/vm_machdep.c#2 (text+ko) ==== @@ -566,3 +566,23 @@ return 1; } + +void * +contigmalloc2(vm_page_t m, vm_pindex_t npages, int flags) +{ + return (void *)PHYS_TO_DMAP(VM_PAGE_TO_PHYS(m)); +} + +void +contigfree(void *addr, unsigned long size, struct malloc_type *type) +{ + vm_pindex_t npgs; + vm_page_t m; + int i; + + npgs = round_page(size) >> PAGE_SHIFT; + m = PHYS_TO_VM_PAGE(DMAP_TO_PHYS((vm_offset_t)addr)); + for (i = 0; i < npgs; i++, m++) + vm_page_free(m); + malloc_type_freed(type, npgs << PAGE_SHIFT); +} ==== //depot/projects/ethng/src/sys/amd64/include/vmparam.h#2 (text+ko) ==== @@ -185,4 +185,10 @@ #define VM_INITIAL_PAGEIN 16 #endif +/* + * We provide a machine specific contiguous mapping function + * which uses the direct map + */ +#define VM_MD_CONTIG + #endif /* _MACHINE_VMPARAM_H_ */
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