Messages in this thread | | | Date | Fri, 16 May 2014 01:57:22 +0400 | From | Cyrill Gorcunov <> | Subject | Re: mm: NULL ptr deref handling mmaping of special mappings |
| |
On Thu, May 15, 2014 at 02:42:48PM -0700, Andy Lutomirski wrote: > > > > Looking forward the question appear -- will VDSO_PREV_PAGES and rest of variables > > be kind of immutable constants? If yes, we could calculate where the additional > > vma lives without requiring any kind of [vdso] mark in proc/pid/maps output. > > Please don't! > > These might, in principle, even vary between tasks on the same system. > Certainly the relative positions of the vmas will be different > between 3.15 and 3.16, since we need almost my entire cleanup series > to reliably put them into their 3.16 location. And I intend to change > the number of pages in 3.16 or 3.17.
There are other ways how to find where additional pages are laying but it would be great if there a straightforward interface for that (ie some mark in /proc/pid/maps output).
| |