On Tue, 18 Apr 2006, KAMEZAWA Hiroyuki wrote: > BTW, when copying mm, mm->mmap_sem is held. Is mm->mmap_sem is not held while > page migraion now ? I'm sorry I can't catch up all changes. > or Is this needed for lazy migration (migration-on-fault) ? mmap_sem must be held during page migration due to the way we retrieve the anonymous vma. I think you would want to get rid of that requirement for the hotplug remove. But how do we reliably get to the anon_vma of the page without mmap_sem? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] 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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