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mm: Remove mm_spinlock

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since it's enough to protect per cpu delay list by disabling interrupt

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
This commit is contained in:
Xiang Xiao
2023-11-11 18:31:20 +08:00
committed by archer
parent 0b832fd127
commit 0fbeea64d5
4 changed files with 8 additions and 10 deletions
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mm/mm_heap/mm.h
-1
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@@ -258,7 +258,6 @@ struct mm_heap_s
* immdiately.
*/
spinlock_t mm_spinlock;
FAR struct mm_delaynode_s *mm_delaylist[CONFIG_SMP_NCPUS];
/* The is a multiple mempool of the heap */
mm/mm_heap/mm_free.c
+2 -2
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@@ -45,12 +45,12 @@ static void add_delaylist(FAR struct mm_heap_s *heap, FAR void *mem)
/* Delay the deallocation until a more appropriate time. */
flags = spin_lock_irqsave(&heap->mm_spinlock);
flags = up_irq_save();
tmp->flink = heap->mm_delaylist[up_cpu_index()];
heap->mm_delaylist[up_cpu_index()] = tmp;
spin_unlock_irqrestore(&heap->mm_spinlock, flags);
up_irq_restore(flags);
#endif
}
mm/mm_heap/mm_malloc.c
+2 -2
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@@ -47,12 +47,12 @@ static void free_delaylist(FAR struct mm_heap_s *heap)
/* Move the delay list to local */
flags = spin_lock_irqsave(&heap->mm_spinlock);
flags = up_irq_save();
tmp = heap->mm_delaylist[up_cpu_index()];
heap->mm_delaylist[up_cpu_index()] = NULL;
spin_unlock_irqrestore(&heap->mm_spinlock, flags);
up_irq_restore(flags);
/* Test if the delayed is empty */
mm/tlsf/mm_tlsf.c
+4 -5
View File
@@ -105,7 +105,6 @@ struct mm_heap_s
/* Free delay list, for some situation can't do free immdiately */
spinlock_t mm_spinlock;
struct mm_delaynode_s *mm_delaylist[CONFIG_SMP_NCPUS];
#if defined(CONFIG_FS_PROCFS) && !defined(CONFIG_FS_PROCFS_EXCLUDE_MEMINFO)
@@ -178,12 +177,12 @@ static void add_delaylist(FAR struct mm_heap_s *heap, FAR void *mem)
/* Delay the deallocation until a more appropriate time. */
flags = spin_lock_irqsave(&heap->mm_spinlock);
flags = up_irq_save();
tmp->flink = heap->mm_delaylist[up_cpu_index()];
heap->mm_delaylist[up_cpu_index()] = tmp;
spin_unlock_irqrestore(&heap->mm_spinlock, flags);
up_irq_restore(flags);
#endif
}
@@ -199,12 +198,12 @@ static void free_delaylist(FAR struct mm_heap_s *heap)
/* Move the delay list to local */
flags = spin_lock_irqsave(&heap->mm_spinlock);
flags = up_irq_save();
tmp = heap->mm_delaylist[up_cpu_index()];
heap->mm_delaylist[up_cpu_index()] = NULL;
spin_unlock_irqrestore(&heap->mm_spinlock, flags);
up_irq_restore(flags);
/* Test if the delayed is empty */