From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:20:52 +0000
Subject: [PATCH] add new system file
---
kernel/mm/util.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/kernel/mm/util.c b/kernel/mm/util.c
index 9e2b223..6ed9861 100644
--- a/kernel/mm/util.c
+++ b/kernel/mm/util.c
@@ -29,6 +29,7 @@
#include "internal.h"
#ifndef __GENKSYMS__
#include <trace/hooks/syscall_check.h>
+#include <trace/hooks/mm.h>
#endif
/**
@@ -587,6 +588,7 @@
{
gfp_t kmalloc_flags = flags;
void *ret;
+ bool use_vmalloc = false;
/*
* vmalloc uses GFP_KERNEL for some internal allocations (e.g page tables)
@@ -594,6 +596,10 @@
*/
if ((flags & GFP_KERNEL) != GFP_KERNEL)
return kmalloc_node(size, flags, node);
+
+ trace_android_vh_kvmalloc_node_use_vmalloc(size, &kmalloc_flags, &use_vmalloc);
+ if (use_vmalloc)
+ goto use_vmalloc_node;
/*
* We want to attempt a large physically contiguous block first because
@@ -624,6 +630,7 @@
return NULL;
}
+use_vmalloc_node:
return __vmalloc_node(size, 1, flags, node,
__builtin_return_address(0));
}
--
Gitblit v1.6.2