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77 Commits

Author SHA1 Message Date
zhanxiaoqi 975968db1b mm/mempool: fix the entry condition for semaphore during mempool allocation 
When the mempool uses the waitsem semaphore for memory allocation,
the flowing two conditions must be satisfied simultaneously:
its wait variable is set to true, and the expandsize variable is set to 0

Signed-off-by: zhanxiaoqi <zhanxiaoqi@bytedance.com>
 2026-02-28 00:24:54 +08:00
anjiahao ee052a4570 mempool:fix bug, Misjudged the condition of interrupt memory release 
We don't need to subtract the block size; we only need to determine if it's within the interrupt memory range.

Signed-off-by: anjiahao <anjiahao@xiaomi.com>
 2025-12-22 15:14:26 +08:00
anjiahao 92f26a98dd mm:use Kconfig to control sequence number to save memory 
One memory block can save sizeof(size_t) size.

Signed-off-by: anjiahao <anjiahao@xiaomi.com>
 2025-12-20 09:47:22 -03:00
wangmingrong1 9af2f0ee82 mempool: Support mempool address and size alignment by setting CONFIG_MM_NODE_GUARDSIZE 
Setting a reasonable CONFIG_MM_NODE_GUARDSIZE can ensure absolute alignment of usersize

Signed-off-by: wangmingrong1 <wangmingrong1@xiaomi.com>
 2025-06-26 20:33:29 +08:00
wangmingrong1 e6f77d7f14 mempool: Use the same magic with mmheap 
mmheap magic: #define MM_INIT_MAGIC    0xcc #define MM_ALLOC_MAGIC   0xaa #define MM_FREE_MAGIC    0x55

Signed-off-by: wangmingrong1 <wangmingrong1@xiaomi.com>
 2025-06-26 20:33:29 +08:00
wangmingrong1 aa0aecbd80 mempool: addbacktrace should be before kasan_unpoison 
If thread 1 is executing kasan_unpoison but a scheduling occurs and the block is trampled upon, the displayed backtracking may still be from the previously allocated backtracking

Signed-off-by: wangmingrong1 <wangmingrong1@xiaomi.com>
 2025-01-12 01:29:14 +08:00
hujun5 34e79f9618 spinlock: use spin_lock_init replace spin_initialize 
reason:
1: spin_lock_init and spin_initialize have similar functionalities.
2: spin_lock and spin_unlock should be called in matching pairs.

Signed-off-by: hujun5 <hujun5@xiaomi.com>
 2024-11-26 00:02:44 +08:00
xuxingliang 6d2ebfdec6 mm: dump node overheadp during memdump 
Signed-off-by: xuxingliang <xuxingliang@xiaomi.com>
 2024-11-25 00:42:34 +08:00
yinshengkai 5aa48061c9 mm: fix mempool default recording backtrace 
Need to initialize procfs.backtrace to false if it's disabled.

Signed-off-by: yinshengkai <yinshengkai@xiaomi.com>
 2024-10-17 09:05:11 +08:00
Neo Xu 9c6c56c255 mempool: use backtrace_format 
There's no need to manually format the backtrace any more.

Signed-off-by: Neo Xu <neo.xu1990@gmail.com>
 2024-10-17 09:05:11 +08:00
xuxingliang a8b7d26db5 Use BACKTRACE_BUFFER_SIZE to declare backtrace buffer 
Signed-off-by: xuxingliang <xuxingliang@xiaomi.com>
 2024-10-15 01:07:21 +08:00
Bowen Wang 313d6df787 include/nuttx.h: replace all the align macros to nuttx version 
1. add IS_ALIGNED()  definitions for NuttX;
2. replace all the ALIGN_UP() and ALIGN_DOWN() to use common
   align implementation;

Signed-off-by: Bowen Wang <wangbowen6@xiaomi.com>
 2024-10-11 16:55:43 +08:00
buxiasen fd6634ecb5 mm/dump: make macro more common, fix help prompt 
Signed-off-by: buxiasen <buxiasen@xiaomi.com>
 2024-10-08 23:55:59 +08:00
wangmingrong ae3facda53 kasan: Implementation of Kasan based on software tags. 
Currently, only aarch64 is supported

Signed-off-by: wangmingrong <wangmingrong@xiaomi.com>
 2024-09-19 03:15:29 +08:00
Xiang Xiao 9c6bed4b00 mm: Move kasan.h from mm/kasan to include/nuttx/mm 
so other parts of the system can use it.

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2024-09-19 03:15:29 +08:00
Alin Jerpelea 339457dda3 mm: migrate to SPDX identifier 
Most tools used for compliance and SBOM generation use SPDX identifiers
This change brings us a step closer to an easy SBOM generation.

Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
 2024-09-13 08:49:05 +08:00
fangpeina dbdeaa2ada libc/execinfo: extract a common backtrace format function 
Add a common method to format backtrace to buffer, so it can be used by both mm, fs and other possoble modules.

Signed-off-by: fangpeina <fangpeina@xiaomi.com>
 2024-08-21 18:01:24 +08:00
anjiahao 8f92695ee1 mempool:need unposion memory when deinit 
Signed-off-by: anjiahao <anjiahao@xiaomi.com>
 2024-08-21 18:01:24 +08:00
anjiahao 8c52317a45 mempool:fix mempool memdump address incorrect printing 
Signed-off-by: anjiahao <anjiahao@xiaomi.com>
 2024-08-21 18:01:24 +08:00
anjiahao 7c34ece5d6 mempool:fix memdump leak will hang on spinlock 
root cuase is getpid use spinlock
can read mempool nodes without needing spinlock protection.

Signed-off-by: anjiahao <anjiahao@xiaomi.com>
 2024-08-21 18:01:24 +08:00
anjiahao 73f506b65f mempool: safe memdump for smp, if syslog will switch context 
remove alist, switch to a convenient way to traverse
the physical address directly.

At the same time, we can use `gurad` to mark whether
it is free or alloc or out of bounds check

Signed-off-by: anjiahao <anjiahao@xiaomi.com>
 2024-08-21 18:01:24 +08:00
yinshengkai 659f3b5ff6 mm: remove mempool_sq_count 
Signed-off-by: yinshengkai <yinshengkai@xiaomi.com>
 2024-08-21 18:01:24 +08:00
anjiahao 0687466223 mempool:alloc for sq head, free to sq last useful debug 
Signed-off-by: anjiahao <anjiahao@xiaomi.com>
Signed-off-by: liwenxiang1 <liwenxiang1@xiaomi.com>
 2024-08-21 18:01:24 +08:00
guoshichao 61cd8c379e mm/mempool: rename the mempool_alloc and mempool_free function 
the mempool_alloc and mempool_free function are duplicate with the
mempool method that provided in optee_os, in order to port optee_os, so
we rename the mempool related functions in nuttx

Signed-off-by: guoshichao <guoshichao@xiaomi.com>
 2024-08-18 19:46:54 +08:00
fangpeina 242b50f921 libc/execinfo: extract a common backtrace format function 
Add a common method to format backtrace to buffer, so it can be used by both mm, fs and other possoble modules.

Signed-off-by: fangpeina <fangpeina@xiaomi.com>
 2024-06-29 22:44:39 +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
Nathan Hartman 3ed629274e mm: Fix some typos 2023-11-24 09:57:10 -08:00
ligd 13f0051747 mm: rewrite the memdump code for more readable 
Signed-off-by: ligd <liguiding1@xiaomi.com>
 2023-09-24 10:39:18 +08:00
Petro Karashchenko 440be65010 spinlock: use spinlock API instead of direct asignment/compare 
Signed-off-by: Petro Karashchenko <petro.karashchenko@gmail.com>
 2023-09-16 14:17:47 +08:00
dongjiuzhu1 36e3d32740 mm/heap: add coloration after free to detect use after free issue 
Signed-off-by: dongjiuzhu1 <dongjiuzhu1@xiaomi.com>
 2023-09-11 15:28:34 -04:00
anjiahao e053dcc9f4 mempool:add check for double free check for mempool free 
Signed-off-by: anjiahao <anjiahao@xiaomi.com>
 2023-08-19 01:22:58 +08:00
wangbowen6 b0ab41beee memdump: support dump the leak memory (malloced but task exit) 
1. command "memdump leak" can dump the leacked memory node;
2. fix the leak memory stat bug in memory manager;

Signed-off-by: wangbowen6 <wangbowen6@xiaomi.com>
 2023-07-31 05:48:33 -07:00
wangbowen6 2dedaa449b mm: use shced_backtrace and skip the first numbers in mm backatrace 
beacause the first numbers backtrace in mm node is same, skip them to
show more useful backtrace.

Signed-off-by: wangbowen6 <wangbowen6@xiaomi.com>
 2023-07-31 05:46:37 -07:00
anjiahao 79c0fafc06 mm:Fix the problem that the memdump statistics of blkcont are inconsistent 
Signed-off-by: anjiahao <anjiahao@xiaomi.com>
 2023-06-25 18:17:30 +08:00
Xiang Xiao a8e0a5faa4 sched: Remove the unnecessary cast from pid_t to int 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2023-06-19 11:37:34 +03:00
Xiang Xiao 07b0cd1cba mm: Simplify memdump_handler logic a little bit 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2023-06-19 11:37:34 +03:00
Xiang Xiao 313f79d55e mm/mempool: Count the expend block overhead in mempool_info 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2023-06-19 11:37:34 +03:00
Xiang Xiao 0572bc4d03 mm/mempool: Count the backtrace overhead in mempool_[dump|info[_task]] 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2023-06-19 11:37:34 +03:00
Xiang Xiao 9b6cd96671 mm: Rename PID_MM_INVALID to PID_MM_LEAK 
to express the intent more clear

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2023-06-18 14:26:07 +03:00
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
Xiang Xiao ddbe9eb6ab mm: Rename mm_memdump_s to malltask 
align with the naming of mallinfo_task

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2023-06-18 09:12:14 +03:00
Xiang Xiao 1d5ca4e809 mm/mempool: Avoid the allocation number of expend block equals zero 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2023-06-17 19:11:07 -03:00
Xiang Xiao 9f4da58c67 mm: Remove mempoolinfo_task macro and use mallinfo_task directly 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2023-06-11 19:37:04 +03:00
Xiang Xiao e98a153cb2 mm/mempool: Remove nexpend and totalsize from mempool_s 
forget in the commit(https://github.com/apache/nuttx/pull/9052):
commit 781a34da94
Author: anjiahao <anjiahao@xiaomi.com>
Date:   Tue Apr 18 11:18:43 2023 +0800

    memepool:fix memory consumption double counting issue

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2023-06-04 11:47:51 -03:00
anjiahao e6506619ac mempool:Fix seqnumber statistics error in memdump 
The judgment of seqmin and seqmax is ignored

Signed-off-by: anjiahao <anjiahao@xiaomi.com>
 2023-05-31 23:00:16 +08:00
ligd 1a927a6cf3 mm: add invalid pid dump when malloc failed 
We can dump the memory that has exited but
has not been released

Signed-off-by: ligd <liguiding1@xiaomi.com>
 2023-05-30 02:19:59 +08:00
anjiahao c60dd72a2a Support memdump to realize incremental dump function 
Add a new field to record the global on the basis of mm_backtrace.
When using alloc, the field is incremented by 1,
so that the memory usage can be dumped within the range
Signed-off-by: anjiahao <anjiahao@xiaomi.com>
 2023-05-22 12:31:32 +08:00
Xiang Xiao 6f6fce95a2 Replace all sprintf with snprintf 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2023-05-08 09:57:01 +02:00
anjiahao df2925cf13 mempool:fix bug, use incorrect free in mempool init 
Signed-off-by: anjiahao <anjiahao@xiaomi.com>
 2023-04-27 00:28:09 +08:00
anjiahao 781a34da94 memepool:fix memory consumption double counting issue 
Signed-off-by: anjiahao <anjiahao@xiaomi.com>
 2023-04-23 23:28:32 +08:00