[incubator-nuttx] 03/03: mm: Add CONFIG_MM_PANIC_ON_FAILURE option

[xiaoxiang]

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commit 5edf5e5585fa022c0399c7b5ccf5a36476dad4c5
Author: YAMAMOTO Takashi <yamam...@midokura.com>
AuthorDate: Sat May 21 08:13:09 2022 +0900

    mm: Add CONFIG_MM_PANIC_ON_FAILURE option
    
    While allocation failure here is not necessarily abnormal enough to
    warrant a panic in general, it can be useful in certain situations.
---
 mm/Kconfig             | 5 +++++
 mm/mm_heap/mm_malloc.c | 3 +++
 2 files changed, 8 insertions(+)

diff --git a/mm/Kconfig b/mm/Kconfig
index 30e789da5b..d49409611b 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -201,4 +201,9 @@ config MM_DUMP_ON_FAILURE
        default n
        depends on DEBUG_MM
 
+config MM_PANIC_ON_FAILURE
+       bool "Panic on allocation failure"
+       default n
+       depends on DEBUG_MM
+
 source "mm/iob/Kconfig"
diff --git a/mm/mm_heap/mm_malloc.c b/mm/mm_heap/mm_malloc.c
index a5fd14b528..1d8d6b24bc 100644
--- a/mm/mm_heap/mm_malloc.c
+++ b/mm/mm_heap/mm_malloc.c
@@ -255,6 +255,9 @@ FAR void *mm_malloc(FAR struct mm_heap_s *heap, size_t size)
             minfo.arena, minfo.uordblks, minfo.fordblks,
             minfo.mxordblk, minfo.aordblks, minfo.ordblks);
       mm_memdump(heap, -1);
+#endif
+#ifdef CONFIG_MM_PANIC_ON_FAILURE
+      PANIC();
 #endif
     }
 #endif