On Thu, May 15, 2025 at 02:42:14PM -0700, Kees Cook wrote: > Hi, > > This fixes a performance regression[1] with vrealloc(). This needs to > get into v6.15, which is where the regression originates, and then it'll > get backport to the -stable releases as well. > > Thanks! > > -Kees > > [1] > https://lore.kernel.org/lkml/20250515-bpf-verifier-slowdown-vwo2meju4cgp2su5ckj@6gi6ssxbnfqg/ > > Kees Cook (2): > mm: vmalloc: Actually use the in-place vrealloc region > mm: vmalloc: Only zero-init on vrealloc shrink
Thank you for the prompt fix! I'll remember to include a more thorough note on reproducing the issue next time. With the patchset applied, BPF selftests on both 6.15-rc6 and 6.14.7-rc2 passes successfully. Tested-by: Shung-Hsi Yu <shung-hsi...@suse.com>