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* manual/memory.texi (Malloc Tunable Parameters): Clarify 

behaviour of M_MMAP_THRESHOLD.
This commit is contained in:
Andreas Jaeger 2003-02-25 10:10:35 +00:00
parent 724fad20ce
commit 13c0f77163
1 changed files with 2 additions and 1 deletions
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manual/memory.texi
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@ -697,7 +697,8 @@ heap size such that excessive amounts of system calls can be avoided.
All chunks larger than this value are allocated outside the normal
heap, using the @code{mmap} system call. This way it is guaranteed
that the memory for these chunks can be returned to the system on
@code{free}.
@code{free}. Note that requests smaller than this threshold might still
be allocated via @code{mmap}.
@item M_MMAP_MAX
The maximum number of chunks to allocate with @code{mmap}. Setting this
to zero disables all use of @code{mmap}.