Messages in this thread | | | Date | Fri, 20 Apr 2018 10:28:29 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH] kernel: event: core: Change return type to vm_fault_t |
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On Sun, Apr 15, 2018 at 01:58:31AM +0530, Souptick Joarder wrote: > Use new return type vm_fault_t for fault handler and > page_mkwrite handler in struct vm_operations_struct. > > Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com> > Reviewed-by: Matthew Wilcox <mawilcox@microsoft.com> > --- > kernel/events/core.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/kernel/events/core.c b/kernel/events/core.c > index 96db9ae..d09f1c4 100644 > --- a/kernel/events/core.c > +++ b/kernel/events/core.c > @@ -4918,11 +4918,11 @@ void perf_event_update_userpage(struct perf_event *event) > } > EXPORT_SYMBOL_GPL(perf_event_update_userpage); > > -static int perf_mmap_fault(struct vm_fault *vmf) > +static vm_fault_t perf_mmap_fault(struct vm_fault *vmf)
I'm fine with the patch, but shouldn't this be part of a larger series / cocinelle script?
Even if not everything that has a (struct vm_fault *) argument is a fault handler, you could still match on the function being assigned to vm_operations_struct::fault.
So ACK on the patch, but please don't do this with a slow trickle of individual patches.
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