On Wed, 26 Feb 2025 11:05:10 -0500 Gabriel Krisman Bertazi <krisman@xxxxxxx> wrote: > For reference, I collected vmstat with and without this patch on a > freshly booted system running intensive randread io from an nvme for 5 > minutes. I got: > > rpm-6.12.0-slfo.1.2 -> pgscan_kswapd 5629543865 > Patched -> pgscan_kswapd 33580844 > > 33M scans is similar to what we had in kernels predating this patch. > These numbers is fairly representative of the workload on this machine, as > measured in several runs. So we are talking about a 2-order of > magnitude increase. Thanks for adding this detail - I pasted it into the changelog. I'll queue the patch with a cc:stable. You may wish to send along a new changelog to fill in additional details resulting from the review discussion.
