Xuxingliang
b9e59ad0a7
mm: add macro to judge if node/prenode is free
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Signed-off-by: Xuxingliang <xuxingliang@xiaomi.com>
2023-09-12 22:09:36 +08:00
Xuxingliang
c9f33b7ee5
mm: use unified naming style for macros
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Make all macro name starts with prefix MM_
Signed-off-by: Xuxingliang <xuxingliang@xiaomi.com>
2023-09-12 22:09:36 +08:00
wangbowen6
b1948a1631
mm: move preceding to previous free node to reduce the overhead
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Signed-off-by: wangbowen6 <wangbowen6@xiaomi.com>
2023-02-01 11:14:02 +08:00
wangbowen6
723c6e52e2
mm: reorder the preceding and size and move MM_ALLOC_BIT to size
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Signed-off-by: wangbowen6 <wangbowen6@xiaomi.com>
2023-02-01 11:14:02 +08:00
anjiahao
632ed0d3a4
Optimize multipe mempool memory space usage
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Signed-off-by: anjiahao <anjiahao@xiaomi.com>
2023-01-18 14:12:45 +08:00
anjiahao
6b530fceae
mempool:change mempool_multiple way of initialization
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Signed-off-by: anjiahao <anjiahao@xiaomi.com>
2023-01-18 14:12:45 +08:00
anjiahao
bc30b294aa
mm:add heap args to mm_malloc_size
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use malloc_size inside of where used mm_malloc_size
Signed-off-by: anjiahao <anjiahao@xiaomi.com>
Signed-off-by: dongjiuzhu1 <dongjiuzhu1@xiaomi.com>
2023-01-17 21:57:37 +08:00
dongjiuzhu1
c82f44c4f3
mm/mm_heap: add mempool to optimize small block performance
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There are many small memory block in NuttX system, eg: struct tcb_s,
struct inode, etc, and several disadvantages about them:
1.Their frequent allocate and free cause the system memory fragmentation.
2.Since each memory block has an overhead, the utilization of small memory
blocks is relatively low, which will cause memory waste.
So we can use mempool to alloc smallo block, to improve alloc speed
and utilization, to reduce fragmentation.
Signed-off-by: dongjiuzhu1 <dongjiuzhu1@xiaomi.com>
2023-01-16 20:32:17 +08:00
Xiang Xiao
75bfa4584c
mm: Add kmm_malloc_size and mm_malloc_size
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make malloc_size implementation align with malloc
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
Change-Id: I8d7781925f06e58a880437a16569dccbfd2ea035
2021-07-05 14:23:24 +09:00
Xiang Xiao
97216c220b
mm: Support malloc_size function
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and rename malloc_usable_size to malloc_size
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2021-07-04 18:53:44 -03:00
