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/lib/show_mem.c | 16 +++++-----------
1 files changed, 5 insertions(+), 11 deletions(-)
diff --git a/kernel/lib/show_mem.c b/kernel/lib/show_mem.c
index 0beaa1d..3d8d609 100644
--- a/kernel/lib/show_mem.c
+++ b/kernel/lib/show_mem.c
@@ -1,14 +1,13 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Generic show_mem() implementation
*
* Copyright (C) 2008 Johannes Weiner <hannes@saeurebad.de>
- * All code subject to the GPL version 2.
*/
#include <linux/mm.h>
-#include <linux/quicklist.h>
#include <linux/cma.h>
-
+#include <trace/hooks/mm.h>
void show_mem(unsigned int filter, nodemask_t *nodemask)
{
pg_data_t *pgdat;
@@ -18,22 +17,19 @@
show_free_areas(filter, nodemask);
for_each_online_pgdat(pgdat) {
- unsigned long flags;
int zoneid;
- pgdat_resize_lock(pgdat, &flags);
for (zoneid = 0; zoneid < MAX_NR_ZONES; zoneid++) {
struct zone *zone = &pgdat->node_zones[zoneid];
if (!populated_zone(zone))
continue;
total += zone->present_pages;
- reserved += zone->present_pages - zone->managed_pages;
+ reserved += zone->present_pages - zone_managed_pages(zone);
if (is_highmem_idx(zoneid))
highmem += zone->present_pages;
}
- pgdat_resize_unlock(pgdat, &flags);
}
printk("%lu pages RAM\n", total);
@@ -42,11 +38,9 @@
#ifdef CONFIG_CMA
printk("%lu pages cma reserved\n", totalcma_pages);
#endif
-#ifdef CONFIG_QUICKLIST
- printk("%lu pages in pagetable cache\n",
- quicklist_total_size());
-#endif
#ifdef CONFIG_MEMORY_FAILURE
printk("%lu pages hwpoisoned\n", atomic_long_read(&num_poisoned_pages));
#endif
+ trace_android_vh_show_mem(filter, nodemask);
}
+EXPORT_SYMBOL_GPL(show_mem);
--
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