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[bug][kernel][heap] 将内存堆保护机制由FIFO改为PRIO

This commit is contained in:
Meco Man 2021-06-07 16:45:39 +08:00
parent 2884700817
commit b2dd3f00f0
3 changed files with 3 additions and 3 deletions
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2
src/mem.c
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@ -250,7 +250,7 @@ void rt_system_heap_init(void *begin_addr, void *end_addr)
rt_mem_setname(heap_end, "INIT");
#endif
rt_sem_init(&heap_sem, "heap", 1, RT_IPC_FLAG_FIFO);
rt_sem_init(&heap_sem, "heap", 1, RT_IPC_FLAG_PRIO);
/* initialize the lowest-free pointer to the start of the heap */
lfree = (struct heap_mem *)heap_ptr;

2
src/memheap.c
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@ -155,7 +155,7 @@ rt_err_t rt_memheap_init(struct rt_memheap *memheap,
item->next_free = item->prev_free = RT_NULL;
/* initialize semaphore lock */
rt_sem_init(&(memheap->lock), name, 1, RT_IPC_FLAG_FIFO);
rt_sem_init(&(memheap->lock), name, 1, RT_IPC_FLAG_PRIO);
RT_DEBUG_LOG(RT_DEBUG_MEMHEAP,
("memory heap: start addr 0x%08x, size %d, free list header 0x%08x\n",

2
src/slab.c
View File

@ -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));