On Sun, Feb 04, 2007 at 04:45:51PM +0100, Arjan van de Ven wrote: > > Sorry for not being more precise. As a part of my thesis work I need to > > migrate pages. I greatly use mm/migrate.c code. > > I assume that not all pages can be migrated - especially those used by > > kernel (where direct virtual to physical mapping is used). > > So I intended something like following code: > > it's more than that... even userspace pages may not be moved if they're > the target of active DMA for example .....
Ok, so what everything should be checked? - PageReserved - PageSlab - PageLocked - PageBuddy - PageCompound - PageNosave - PageNosaveFree - kernel page - userspace active DMA as you've mentioned. But I don't know how to test it -- Michal Hocko - 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/
