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mm: use stack_depot for recording kmemleak's backtrace

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Using stack_depot to record kmemleak's backtrace which has been
implemented on slub for reducing redundant information.

[akpm@linux-foundation.org: fix build - remove now-unused __save_stack_trace()]
[zhaoyang.huang@unisoc.com: v3]
  Link: https://lkml.kernel.org/r/1667101354-4669-1-git-send-email-zhaoyang.huang@unisoc.com
[akpm@linux-foundation.org: fix v3 layout oddities]
[akpm@linux-foundation.org: coding-style cleanups]
Link: https://lkml.kernel.org/r/1666864224-27541-1-git-send-email-zhaoyang.huang@unisoc.com
Signed-off-by: Zhaoyang Huang <zhaoyang.huang@unisoc.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: ke.wang <ke.wang@unisoc.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Zhaoyang Huang <huangzhaoyang@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Zhaoyang Huang
2022-10-27 17:50:24 +08:00
committed by Andrew Morton
parent 9102b78b6f
commit 56a61617dd
2 changed files with 29 additions and 18 deletions
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lib/Kconfig.debug
+1
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@@ -728,6 +728,7 @@ config DEBUG_KMEMLEAK
select STACKTRACE if STACKTRACE_SUPPORT
select KALLSYMS
select CRC32
select STACKDEPOT
help
Say Y here if you want to enable the memory leak
detector. The memory allocation/freeing is traced in a way