On Mon, Feb 26, 2024 at 9:07 AM Vlastimil Babka <vbabka@xxxxxxx> wrote: > > On 2/21/24 20:40, Suren Baghdasaryan wrote: > > Introduce helper functions to easily instrument page allocators by > > storing a pointer to the allocation tag associated with the code that > > allocated the page in a page_ext field. > > > > Signed-off-by: Suren Baghdasaryan <surenb@xxxxxxxxxx> > > Co-developed-by: Kent Overstreet <kent.overstreet@xxxxxxxxx> > > Signed-off-by: Kent Overstreet <kent.overstreet@xxxxxxxxx> > > The static key usage seems fine now. Even if the page_ext overhead is still > always paid when compiled in, you mention in the cover letter there's a plan > for boot-time toggle later, so Yes, I already have a simple patch for that to be included in the next revision: https://github.com/torvalds/linux/commit/7ca367e80232345f471b77b3ea71cf82faf50954 > > Reviewed-by: Vlastimil Babka <vbabka@xxxxxxx> Thanks! > >
