perf: Remove unused extern declaration arch_perf_get_page_size()

commit 8af26be062 ("perf/core: Fix arch_perf_get_page_size()")
left behind this.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20230725135038.25060-1-yuehaibing@huawei.com
This commit is contained in:
YueHaibing 2023-07-25 21:50:38 +08:00 • committed by Peter Zijlstra
commit 62af032237