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On Mon, 3 Apr 2006 16:44:34 +0900 KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> wrote: > On Mon, 3 Apr 2006 08:36:53 +0100 > Russell King <rmk+lkml@arm.linux.org.uk> wrote: > Hmm..from include/asm-arm/arch-clps711x/memory.h > > == > /* > * Given a kaddr, LOCAL_MAR_NR finds the owning node of the memory > * and returns the index corresponding to the appropriate page in the > * node's mem_map. > */ > #define LOCAL_MAP_NR(addr) \ > (((unsigned long)(addr) & (NODE_MAX_MEM_SIZE - 1)) >> PAGE_SHIFT) > == > > Is this comment wrong ??? > Russell-san All of sub-arch's comment says "Given a kaddr" but all of them just uses "offset". So, paddr can be given as arg. __va()(or pfn_to_kaddr()) adds unnecessary calcs, so paddr should be used instead of kaddr. Right ? -Kame - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | |||||||||
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