"Ahmed S. Darwish" <[EMAIL PROTECTED]> writes: > page_pde_offset = (__PAGE_OFFSET >> 20) > movl %ecx,(%edx) /* Store identity PDE entry */ > movl %ecx,page_pde_offset(%edx) /* Store kernel PDE entry */ > > Why the pde_offset is PAGE_OFFSET >> 20 instead of PAGE_OFFSET >> 22 ? > * 22 to right shift the whole page_shift (12) and pgdir_shift (10) bits.
4 is the element size. Andreas. -- Andreas Schwab, SuSE Labs, [EMAIL PROTECTED] SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany PGP key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different." - 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/
