On 7/17/24 10:04 PM, Suren Baghdasaryan wrote: > On Wed, Jul 17, 2024 at 12:36 PM Vlastimil Babka <vbabka@xxxxxxx> wrote: >> >> On 7/17/24 8:12 PM, Suren Baghdasaryan wrote: >> > Outline and export free_reserved_page() because modules use it and it >> > in turn uses page_ext_{get|put} which should not be exported. The same >> > result could be obtained by outlining {get|put}_page_tag_ref() but that >> > would have higher performance impact as these functions are used in >> > more performance critical paths. >> > >> > Fixes: dcfe378c81f7 ("lib: introduce support for page allocation tagging") >> > Reported-by: kernel test robot <lkp@xxxxxxxxx> >> > Closes: https://lore.kernel.org/oe-kbuild-all/202407080044.DWMC9N9I-lkp@xxxxxxxxx/ >> > Suggested-by: Christoph Hellwig <hch@xxxxxxxxxxxxx> >> > Suggested-by: Vlastimil Babka <vbabka@xxxxxxx> >> > Signed-off-by: Suren Baghdasaryan <surenb@xxxxxxxxxx> >> >> Acked-by: Vlastimil Babka <vbabka@xxxxxxx> >> >> Are these two patches now stable@ material as 6.10 build is broken on ppc64 >> with alloc taging enabled? > > I tested them with that specific configuration mentioned in the bug > report and with several usual ones I use. > Yeah, I guess from now on all such fixes should have > > Cc: stable@xxxxxxxxxxxxxxx # v6.10 Right. BTW I have just realized that the way you did Patch 2/2 and outlined the whole free_reserved_page() (which is fair, it's an init-time function), mem_alloc_profiling_enabled() didn't stay inlined so Patch 1/2 is in fact not necessary anymore?