On Thu, Dec 10, 2015 at 04:03:37PM -0800, Shaohua Li wrote: > In jemalloc, a free(3) doesn't immediately free the memory to OS even > the memory is page aligned/size, and hope the memory can be reused soon. > Later the virtual address becomes fragmented, and more and more free > memory are aggregated. If the free memory size is large, jemalloc uses > madvise(DONT_NEED) to actually free the memory back to OS. > Looks good to me now. -Andi -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>