From b2dd3f00f0617abd5757ca75a5579d493dc8bd85 Mon Sep 17 00:00:00 2001
From: Meco Man <920369182@qq.com>
Date: Mon, 7 Jun 2021 16:45:39 +0800
Subject: [bug][kernel][heap] 将内存堆保护机制由FIFO改为PRIO
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---
 src/slab.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/slab.c')

diff --git a/src/slab.c b/src/slab.c
index 114259002f..2769892b68 100644
--- a/src/slab.c
+++ b/src/slab.c
@@ -363,7 +363,7 @@ void rt_system_heap_init(void *begin_addr, void *end_addr)
     npages  = limsize / RT_MM_PAGE_SIZE;
 
     /* initialize heap semaphore */
-    rt_sem_init(&heap_sem, "heap", 1, RT_IPC_FLAG_FIFO);
+    rt_sem_init(&heap_sem, "heap", 1, RT_IPC_FLAG_PRIO);
 
     RT_DEBUG_LOG(RT_DEBUG_SLAB, ("heap[0x%x - 0x%x], size 0x%x, 0x%x pages\n",
                                  heap_start, heap_end, limsize, npages));
-- 
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