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58 Commits

Author SHA1 Message Date
buxiasen
bdcda24a68 mm: fix mm_curused calculate err 
before fix, the maxused shown in free command is not accurate.

Signed-off-by: buxiasen <buxiasen@xiaomi.com>
 2024-06-07 03:29:02 +08:00
wangmingrong
d2fd043575 mm: Using Macros Instead of Memory to Fill Labels 
Signed-off-by: wangmingrong <wangmingrong@xiaomi.com>
 2024-03-14 22:48:19 +08:00
anjiahao
5d6f6f2d47 mm:fix warning 
mm_heap/mm_initialize.c:69:11: warning: array subscript -1 is outside array bounds of 'void[2147483647]' [-Warray-bounds]
   69 |       node->pid = MM_BACKTRACE_MEMPOOL_PID;
      |           ^~
mm_heap/mm_initialize.c:64:9: note: at offset -16 into object of size [0, 2147483647] allocated by 'mm_memalign'
   64 |   ret = mm_memalign(arg, alignment, size);

Signed-off-by: anjiahao <anjiahao@xiaomi.com>
 2023-09-26 14:12:59 +08:00
Xuxingliang
c9f33b7ee5 mm: use unified naming style for macros 
Make all macro name starts with prefix MM_
Signed-off-by: Xuxingliang <xuxingliang@xiaomi.com>
 2023-09-12 22:09:36 +08:00
Xiang Xiao
f01deff80f mm: Rename MM_BACKTRACE_XXX_PID to PID_MM_XXX 
and move the definition to malloc.h

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2023-06-18 09:12:14 +03:00
anjiahao
7732791cd6 mempool:Add mail_info support for multiple pools 
Signed-off-by: anjiahao <anjiahao@xiaomi.com>
 2023-06-08 23:56:40 +08:00
anjiahao
6572081e07 mempool:Allocate a chunk for multiple mempool avoid memory fragmentation 
Signed-off-by: anjiahao <anjiahao@xiaomi.com>
 2023-06-08 23:56:40 +08:00
Xiang Xiao
7990f90915 Indent the define statement by two spaces 
follow the code style convention

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2023-05-21 09:52:08 -03:00
anjiahao
781a34da94 memepool:fix memory consumption double counting issue 
Signed-off-by: anjiahao <anjiahao@xiaomi.com>
 2023-04-23 23:28:32 +08:00
wangbowen6
70083168f1 mm: support custom the mm alignment and default to be 8 
Signed-off-by: wangbowen6 <wangbowen6@xiaomi.com>
 2023-03-06 11:10:36 +08:00
wangbowen6
b1948a1631 mm: move preceding to previous free node to reduce the overhead 
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 
Signed-off-by: wangbowen6 <wangbowen6@xiaomi.com>
 2023-02-01 11:14:02 +08:00
anjiahao
b362f18d6a mempool:Calibration total memory statistics 
Signed-off-by: anjiahao <anjiahao@xiaomi.com>
 2023-01-18 09:02:33 +01:00
anjiahao
d846004533 mempool:use two-dimensional array avoid competition 
Signed-off-by: anjiahao <anjiahao@xiaomi.com>
 2023-01-18 09:02:33 +01:00
anjiahao
6b530fceae mempool:change mempool_multiple way of initialization 
Signed-off-by: anjiahao <anjiahao@xiaomi.com>
 2023-01-18 14:12:45 +08:00
dongjiuzhu1
c82f44c4f3 mm/mm_heap: add mempool to optimize small block performance 
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
4cc13c19c6 Revert "mm: Check the function result with suitable macro." 
This reverts commit 460d94729a.
 2022-11-07 10:01:52 +01:00
wangbowen6
fccda0c08b mm_heap: add debug assert to check the alignment problem 
Signed-off-by: wangbowen6 <wangbowen6@xiaomi.com>
Signed-off-by: YAMAMOTO Takashi <yamamoto@midokura.com>
 2022-11-01 19:21:01 +08:00
anjiahao
d1d46335df Replace nxsem API when used as a lock with nxmutex API 
Signed-off-by: anjiahao <anjiahao@xiaomi.com>
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-10-17 15:59:46 +09:00
xiangdong6
460d94729a mm: Check the function result with suitable macro. 
The return value of function mm_takesemaphore will never below
than zero, DEBUGVERIFY make no effect to check it, use DEBUGASSERT
instead.

Signed-off-by: xiangdong6 <xiangdong6@xiaomi.com>
 2022-09-05 21:11:01 +08:00
Jiuzhu Dong
9899dd0ec0 mm/mm_heap: change CONFIG_MM_BACKTRACE to int type 
Signed-off-by: Jiuzhu Dong <dongjiuzhu1@xiaomi.com>
 2022-07-26 23:45:31 +08:00
Fotis Panagiotopoulos
66f49c1f3c mm: Fixed the usage of CONFIG_MM_BACKTRACE & CONFIG_DEBUG_MM. 2022-07-22 00:53:02 +08:00
Xiang Xiao
53c6789bef mm: Add mm_uninitialize to release the resource 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-06-12 19:41:14 +09:00
Gustavo Henrique Nihei
183da24fc5 mm: Log name of the Heap to which the new region is being added 
Signed-off-by: Gustavo Henrique Nihei <gustavo.nihei@espressif.com>
 2022-06-08 01:10:10 +08:00
wangbowen6
d4978bfba4 mm_initialize: malloc() return aligend pointer. 
malloc() should return aligned (with MM_MIN_CHUNK) pointer, but
pr #5906 destroy that, this pr find a better method to solve
these questions.

Signed-off-by: YAMAMOTO Takashi <yamamoto@midokura.com>
and
Signed-off-by: wangbowen6 <wangbowen6@xiaomi.com>
 2022-04-11 12:46:17 +08:00
wangbowen6
1a4ccd2d70 Revert "mm_heap: heapsize align with MM_MIN_CHUNK." 
This reverts commit 69e69740b5.
 2022-04-11 12:46:17 +08:00
wangbowen6
69e69740b5 mm_heap: heapsize align with MM_MIN_CHUNK. 
Signed-off-by: wangbowen6 <wangbowen6@xiaomi.com>
 2022-03-31 19:50:25 +08:00
Jiuzhu Dong
1ab58aff55 mm/heap: add MM_BACKTRACE_DEFAULT to config backtrace record by default 
Signed-off-by: Jiuzhu Dong <dongjiuzhu1@xiaomi.com>
 2022-03-27 13:21:48 +08:00
Jiuzhu Dong
709207b8d3 mm/memdump: dynamic turn on backtrace in heap when enable DEBUG_MM 
default turn off.
turn on: echo on > /proc/memdump
turn off: echo off > proc/memdump

Signed-off-by: Jiuzhu Dong <dongjiuzhu1@xiaomi.com>
 2022-03-27 13:21:48 +08:00
Xiang Xiao
c2a1d0f5ae procfs: Remove mallinfo from struct procfs_meminfo_entry_s 
let's call mm_mallinfo directly

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-03-17 13:59:03 -03:00
Jiuzhu Dong
2dcc4a359d mm/dump: add pid and backtrace for every memory node 
usage:
echo <pid/used/free> trace > /proc/memdump
echo used > /proc/memdump //output all used memory info with backtrace
echo free > /proc/memdump //output all free memory info
echo 22 > /proc/memdump //output used memory info for task pid is 22 with backtrace

Signed-off-by: Jiuzhu Dong <dongjiuzhu1@xiaomi.com>
 2022-02-26 14:32:42 +08:00
Jiuzhu Dong
39eaeefb78 mm/mm_heap: remove the unnecessary check for memory node size 
Signed-off-by: Jiuzhu Dong <dongjiuzhu1@xiaomi.com>
 2022-02-26 14:32:42 +08:00
chenwei23
39cdd99d77 mm: Support the kernel address sanitizer 
Signed-off-by: chenwei23 <chenwei23@xiaomi.com>
 2021-11-02 13:32:47 -03:00
Abdelatif Guettouche
f86ceea099 mm/mm_heap/mm.h: Fix some typos. 
Signed-off-by: Abdelatif Guettouche <abdelatif.guettouche@espressif.com>
 2021-08-03 10:11:26 -07:00
Xiang Xiao
5fe51b923a mm: Simplify the semaphore handling 
1.Move all special process to mm_takesemaphore
2.Remove the support of recurive lock
3.Remove mm_trysemaphore function

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
Change-Id: Ie216a6294ab67c5d427f31b089beb15c532f08fe
 2021-07-10 16:10:32 -03:00
Xiang Xiao
76cdd5c329 mm: Remove mm_heap_impl_s struct 
it's more simple to make mm_heap_s opaque outside of mm

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
Change-Id: I5c8e435f6baba6d22b10c5f7e8d9191104fb5af2
 2021-07-07 04:25:15 -07:00
Xiang Xiao
b1f711f790 mm: Move procfs_register_meminfo into common place 
to avoid the code duplication and ensure the consistent behaviour

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2021-07-03 09:39:32 -07:00
ligd
aa43a0215d mm: fix memory corruption when loop create/exit thread in SMP mode 
Root casue:
when do thread exit, need add free stack operation to mm_delaylist,
but in SMP mode, CPU0 thread1 exit, at this time, CPU1 call malloc
and free mm_delaylist.

Fix:
Divide mm_delaylist for per CPU in SMP mode.

Change-Id: Ibf7d04614ea2f99fb5b506356b7346a0d94f0590
Signed-off-by: ligd <liguiding1@xiaomi.com>
 2021-07-02 04:55:46 -05:00
David Sidrane
85f0bc591e mm:initialize ensure alignment. 
Broken by 635cfa.

   On an stm32 the heap is formed from
   const uintptr_t g_idle_topstack = HEAP_BASE;
   where HEAP_BASE is &_bss + CONFIG_IDLE_STACKSIZE.

   Both these values are not deterministic. One
   comes from the compiler, the other the system
   configurator.

   a 3 byte bss and 250 byte stack would lead to
   and unaligned address used as the heap to be.

   The compiler used clever `strd r1,r3,[r5,#8]` to
   store 2 values in one memory cycle into the
   heap_impl struct. Resulting in a hardfault.

   Change the amount of bss or the CONFIG_IDLE_STACKSIZE
   could lead to a non-functional NuttX system.
 2021-05-19 21:25:08 -05:00
mage1
635cfadc25 mm: Move mm_heap_s related stuff to private header file 
since it will improve the modularity and reduce the inforamtion explosion

Change-Id: I085b36adb38993a979625a1f4c252d364a15afa1
 2021-03-19 09:56:39 -07:00
YAMAMOTO Takashi
7f61256b32 mm/mm_heap/mm_initialize.c: Fix syslog format errors 2020-11-20 22:22:53 -08:00
ligd
6b7dd62bad mm/mm_heap/mm_initialize.c: add sem lock to mm_addregion() 
Change-Id: I4a72e36fcd4504c0d8e671fe2243b14764db3b35
 2020-09-15 08:50:01 +09:00
Masayuki Ishikawa
ad9db974cb mm: Fix heap corruption in protected build 
Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
 2020-04-22 13:45:56 +08:00
ligd
ef360394c7 mm/mm_heap: fix mm_heap not support BUILD_FLAT 
1. change ifdef __KERNEL__ to:
   if defined(CONFIG_BUILD_FLAT) || defined(__KERNEL__)

2. change mm_delaylist to *mm_delaylist

3. change FAR struct mm_delaynode_s *new to:
   FAR struct mm_delaynode_s *tmp

4. should check mm_trysemaphore() return values

Change-Id: I57ba991f13c3eaf56dc2d71ac946c11669e32dfa
Signed-off-by: ligd <liguiding@fishsemi.com>
 2020-04-10 07:49:32 -06:00
ligd
1d2396353e mm/mm_heap: add mm_delaylist to mm_heap_s struct 
Change-Id: I2ffaec5557bf2dd2021baa6cda84bb5318425caa
Signed-off-by: ligd <liguiding@fishsemi.com>
 2020-04-09 10:29:28 -06:00
Андрей Заболотный
a4e0b23f4f Prevents NuttX crashing if MM_REGIONS is too small. 
Added a DEBUGASSERT and a runtime check so that mm_region will not overwrite critical heap data if user incorrectly defines MM_REGIONS.
 2020-03-06 10:00:44 -06:00
YAMAMOTO Takashi
46ad645efc mm: Add a bunch of assertions 2020-02-13 08:21:18 -06:00
Gregory Nutt
1382ea5447 mm/: Coding style clean-up 
Run tools/nxstyle against all C files under mm/ and correct coding standard violations.
 2020-02-13 15:16:53 +01:00
Gregory Nutt
b54ffe858a Standardization of some function headers. 2018-03-13 09:52:27 -06:00
Gregory Nutt
7cf88d7dbd Make sure that labeling is used consistently in all function headers. 2018-02-01 10:00:02 -06:00