[tip: perf/core] perf: Remove unused extern declaration arch_perf_get_page_size()

[tip-bot2 for YueHaibing]

The following commit has been merged into the perf/core branch of tip:

Commit-ID:     62af03223785c11a0916df6a854ef4785d2350a5
Gitweb:        https://git.kernel.org/tip/62af03223785c11a0916df6a854ef4785d2350a5
Author:        YueHaibing <yuehaibing@xxxxxxxxxx>
AuthorDate:    Tue, 25 Jul 2023 21:50:38 +08:00
Committer:     Peter Zijlstra <peterz@xxxxxxxxxxxxx>
CommitterDate: Wed, 26 Jul 2023 12:28:48 +02:00

perf: Remove unused extern declaration arch_perf_get_page_size()

commit 8af26be06272 ("perf/core: Fix arch_perf_get_page_size()")
left behind this.

Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
Link: https://lkml.kernel.org/r/20230725135038.25060-1-yuehaibing@xxxxxxxxxx
---
 include/linux/perf_event.h | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 9b1cf3c..e83f13c 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -1860,10 +1860,6 @@ extern void arch_perf_update_userpage(struct perf_event *event,
 				      struct perf_event_mmap_page *userpg,
 				      u64 now);
 
-#ifdef CONFIG_MMU
-extern __weak u64 arch_perf_get_page_size(struct mm_struct *mm, unsigned long addr);
-#endif
-
 /*
  * Snapshot branch stack on software events.
  *