I guess it could saturate and then switch to tracking the count via an object pointer -> count mapping with a global lock? Whatever the solution is should probably be a generic one since it's a recurring issue.
- [RFC] Warn the user when they could overflow mapcount Matthew Wilcox
- Re: [RFC] Warn the user when they could overflow m... Jann Horn
- Re: [RFC] Warn the user when they could overfl... Matthew Wilcox
- Re: [RFC] Warn the user when they could overfl... valdis . kletnieks
- Re: [RFC] Warn the user when they could overfl... Daniel Micay
- Re: [RFC] Warn the user when they could ov... Matthew Wilcox
- Re: [RFC] Warn the user when they coul... Daniel Micay
- Re: [RFC] Warn the user when they... Matthew Wilcox
- Re: [RFC] Warn the user when ... Daniel Micay
- Re: [RFC] Warn the user w... Matthew Wilcox
- [RFC] Limit mappings to t... Matthew Wilcox
- Re: [RFC] Limit mappings ... Kirill A. Shutemov
- Re: [RFC] Warn the user w... Daniel Micay
- Re: [RFC] Warn the user when they could overflow m... Tobin C. Harding
- Re: [RFC] Warn the user when they could overfl... Matthew Wilcox

