Relation between free() and remove_vm_struct()

Hi,

In an application I am freeing some memory address, earlier reserved with
malloc.

I have put prints in remove_vm_struct() function in ./mm/mmap.c. For few
calls to free(), there is no corresponding call to remove_vm_struct(). I am
not able to understand why the user space call to free() is not propagated
to kernel, where in the remove_vm_strcut() function should get called.

Please help.

Regards,
Abu.


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