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liyu@WAN wrote: > > > Sorry, I perhaps didn't said clearly. > > As I knwon, if we remove vma from vma tree of task, the SIGSEGV must be > got! > but I am not removed them , I just unmapped them. and the SIGSEGV occurs > some times, > not alway. > > I doublt on it. > > Any clearly idea? > No clear ideas, no. Are you doing the proper synchronization and flushing required when unmapping those regions? If you can post your unmapping code to lkml, someone might be able to spot a bug in it. Thanks, Nick -- SUSE Labs, Novell Inc. Send instant messages to your online friends http://au.messenger.yahoo.com - 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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