[components/mm] improve output of list_page (#7779)

1 files changed, 16 insertions, 20 deletions

diff --git a/components/mm/mm_page.c b/components/mm/mm_page.c
index f72083a9d3..53df6a4e28 100644
--- a/components/mm/mm_page.c
+++ b/components/mm/mm_page.c
@@ -597,46 +597,42 @@ int rt_pages_free(void *addr, rt_uint32_t size_bits)
 
 void rt_page_list(void) __attribute__((alias("list_page")));
 
-#warning TODO: improve list page
+#define PGNR2SIZE(nr) ((nr) * ARCH_PAGE_SIZE / 1024)
+
 void list_page(void)
 {
     int i;
-    rt_size_t total = 0;
+    rt_size_t free = 0;
+    rt_size_t installed = page_nr + _high_pages_nr;
 
     rt_base_t level;
     level = rt_hw_interrupt_disable();
 
     for (i = 0; i < RT_PAGE_MAX_ORDER; i++)
     {
-        struct rt_page *p = page_list_low[i];
+        struct rt_page *lp = page_list_low[i];
+        struct rt_page *hp = page_list_high[i];
 
         rt_kprintf("level %d ", i);
 
-        while (p)
+        while (lp)
         {
-            total += (1UL << i);
-            rt_kprintf("[0x%08p]", rt_page_page2addr(p));
-            p = p->next;
+            free += (1UL << i);
+            rt_kprintf("[0x%08p]", rt_page_page2addr(lp));
+            lp = lp->next;
         }
-        rt_kprintf("\n");
-    }
-    for (i = 0; i < RT_PAGE_MAX_ORDER; i++)
-    {
-        struct rt_page *p = page_list_high[i];
-
-        rt_kprintf("level %d ", i);
-
-        while (p)
+        while (hp)
         {
-            total += (1UL << i);
-            rt_kprintf("[0x%08p]", rt_page_page2addr(p));
-            p = p->next;
+            free += (1UL << i);
+            rt_kprintf("[0x%08p]", rt_page_page2addr(hp));
+            hp = hp->next;
         }
         rt_kprintf("\n");
     }
 
     rt_hw_interrupt_enable(level);
-    rt_kprintf("free pages is 0x%08lx (%ld KB)\n", total, total * ARCH_PAGE_SIZE / 1024);
+    rt_kprintf("-------------------------------\n");
+    rt_kprintf("Page Summary:\n => free/installed: 0x%lx/0x%lx (%ld/%ld KB)\n", free, installed, PGNR2SIZE(free), PGNR2SIZE(installed));
     rt_kprintf("-------------------------------\n");
 }
 MSH_CMD_EXPORT(list_page, show page info);