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 Reviewed-by: Vlastimil Babka <vbabka@xxxxxxx>
