From 02f8eec617d539718576a07481c5f5995ad5c0b3 Mon Sep 17 00:00:00 2001 From: "qinglin.li" Date: Fri, 21 Jun 2024 11:26:35 +0800 Subject: [PATCH] ANDROID: mm: allow hooks into free_pages_prepare() Allow drivers to register mm_page_free hooks when free pages. This helps to get page info when free pages exit. Bug: 348514795 Change-Id: I1f2e1844aa24836367da65e8bfe11f79e22713d4 Signed-off-by: Qinglin Li --- mm/page_alloc.c | 1 + 1 file changed, 1 insertion(+) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index fdfeeba10ba7..f25765b20ab7 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -64,6 +64,7 @@ #include "page_reporting.h" EXPORT_TRACEPOINT_SYMBOL_GPL(mm_page_alloc); +EXPORT_TRACEPOINT_SYMBOL_GPL(mm_page_free); /* Free Page Internal flags: for internal, non-pcp variants of free_pages(). */ typedef int __bitwise fpi_t;