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Diffstat (limited to 'manual/memory.texi')
| -rw-r--r-- | manual/memory.texi | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/manual/memory.texi b/manual/memory.texi index fba3a2cffe..5b14aa69b9 100644 --- a/manual/memory.texi +++ b/manual/memory.texi @@ -706,7 +706,10 @@ to zero disables all use of @code{mmap}. If non-zero, memory blocks are filled with values depending on some low order bits of this parameter when they are allocated (except when allocated by @code{calloc}) and freed. This can be used to debug the -use of uninitialized or freed heap memory. +use of uninitialized or freed heap memory. Note that this option does not +guarantee that the freed block will have any specific values. It only +guarantees that the content the block had before it was freed will be +overwritten. @end table @end deftypefun |