Hello Okash,
Actually there were 3 question:
Third question is :
Is there any way to tell the kernel that PTE of same physical page should be
equal in all processes?
For example, shared lib mapped from different processes to same physical page
must have same PTE, isn it?
And the presence of
Hi Vaaldis,
Thanks for answer,
I still wondering whether the kernel will allow write to a read-only page of
shared library while it has mapped to several processes? Kernel knows that
page's reference count >1, will it allow mmap/mprotect to change page
protection ? Or will it allow direct righ
Hi all,
The question is it ipossiblle in Linux/MMU/TLB that 2 processes map to the
same physical address?
Will CPU or TLB discover that second process tries to reach occupied physical
page?
What if first process set page permission to read and second whats to write to
this page ?
Perhaps dur