why VM_SHM has been removed from mm.h?

[Kamran Karimi]

Hello all,

VM_SHM is used by DIPC to quickly recognise when we are dealing with a 
System V IPC segment. It has been "removed" from recent kernels (set to 0). 
Is there an easy way to find out if a segment is a Sys V shm? if not, I 
suggest we re-activate it.

-Kamran


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