uprobes: Introduce vaddr_to_offset(vma, vaddr)

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Add the new helper, vaddr_to_offset(vma, vaddr) which returns
the offset in vma->vm_file this vaddr is mapped at.

Change build_probe_list() and find_active_uprobe() to use the
new helper, the next patch adds another user.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Srikar Dronamraju <srikar.vnet.ibm.com>
Cc: Anton Arapov <anton@redhat.com>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Link: http://lkml.kernel.org/r/20120729182242.GA20355@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>

...

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Oleg Nesterov 2012-07-29 20:22:42 +02:00 • committed by Ingo Molnar

parent 891c397081

commit cb113b47d0

1 changed files with 8 additions and 6 deletions

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kernel/events/uprobes.c

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