Is it possible to walk the processes already attached to a shared page
in an implementation of security_shm_shmat()?
I have a function:
static int my_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr,
int shmflag)
and I would like to find the processes already attached.
It seems like rmap_walk() would help, but I cannot figure out how to
get an appropriate struct page out of a struct shmid_kernel or unmapped
address (i.e., shmaddr above).
--
Mike
:wq
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