nightfury | Nightfury is a reporting/analytics backend written on Redis
kandi X-RAY | nightfury Summary
kandi X-RAY | nightfury Summary
Nightfury is a reporting/analytics backend written on Redis
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QUESTION
After allocating large memory area using malloc, I am trying to check the span of heap area in /proc/[pid]/maps file. Below is the code that I wrote.
...ANSWER
Answered 2017-May-24 at 07:08The C standard doesn't say anything about a heap, so, an implementation of malloc()
is free to allocate memory in any suitable way. This could for example be from a fixed large buffer in a data segment on platforms that don't provide memory management.
In the case of glibc
, malloc
by default allocates memory using mmap
if the requested chunk is sufficiently large. The traditional heap (through sbrk
) is only used for smaller allocations.
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