madvise()
The madvise() system call allows applications to tell the kernel how it expects to use some mapped or shared memory pages, so that the kernel can choose appropriate read-ahead and caching techniques.
mmap() will be called by malloc()?
In the man page of malloc, there(NOTES section) is a paragraph as follows:Normally, malloc() allocates memory from the heap, and adjusts the size of the heap as required, using sbrk(2). When allocatin