malloc_trim(3) Library Functions Manual malloc_trim(3) malloc_trim - (libc -lc) #include int malloc_trim(size_t pad); malloc_trim() ( sbrk(2) madvise(2) ). pad . 0 ( ). sbrk(2). malloc_trim() 1 0 . . attributes(7). +------------+------------------------------------+--------------------+ || | | +------------+------------------------------------+--------------------+ |malloc_trim()| | MT-Safe | +------------+------------------------------------+--------------------+ GNU. glibc 2.0. ( sbrk(2)) pad . glibc 2.8 . glibc 2.8 . sbrk(2), malloc(3), mallopt(3) 3 . . : . 6.18 8 2026 malloc_trim(3)