On Mon, Sep 06, 2021 at 04:16:13PM +0000, Huang Shijie wrote: > This patch adds AT_NUMA_REPLICATION for execveat(). > > If this flag is set, the kernel will trigger COW(copy on write) > on the mmapped ELF binary. So the program will have a copied-page > on its NUMA node, even if the original page in page cache is > on other NUMA nodes. This does absolutely nothing for programs which run on multiple NUMA nodes at the same time. Also, I dislike the abuse of the term "COW" for this. It's COF -- Copy On Fault.
