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uprobes: Fold uprobe_reset_state() into uprobe_dup_mmap()

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Now that we have uprobe_dup_mmap() we can fold uprobe_reset_state()
into the new hook and remove it. mmput()->uprobe_clear_state() can't
be called before dup_mmap().

Signed-off-by: Oleg Nesterov <[email protected]>
Acked-by: Srikar Dronamraju <[email protected]>
This commit is contained in:
Oleg Nesterov 2012-08-08 17:17:46 +02:00
commit 61559a8165
3 changed files with 2 additions and 14 deletions
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10
kernel/events/uprobes.c
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@ -1148,16 +1148,10 @@ void uprobe_clear_state(struct mm_struct *mm)
kfree(area);
}
/*
* uprobe_reset_state - Free the area allocated for slots.
*/
void uprobe_reset_state(struct mm_struct *mm)
{
mm->uprobes_state.xol_area = NULL;
}
void uprobe_dup_mmap(struct mm_struct *oldmm, struct mm_struct *newmm)
{
newmm->uprobes_state.xol_area = NULL;
if (test_bit(MMF_HAS_UPROBES, &oldmm->flags))
set_bit(MMF_HAS_UPROBES, &newmm->flags);
}