K-1 information, as you create it in Turbotax, is not transmitted as part of a personal return, K-1 information is only sent to the IRS as part of a company's return, and that will include the individual K-1's as received by you from the company, and with just the original information, so there is no "discrepancy" in carry forward losses at that level that the IRS will find.
To this point, prior to the introduction of the 7203, there was no formal way for the IRS to track "allowable loss" information, and it was up to individual tax payers to maintain appropriate records, should documentation be required. Moving forward, your carry forward loss will be "trackable" via the 7203, but that should make it easier for taxpayers to be sure they have proper records.
