On Mon 12-02-24 19:29:51, Vlastimil Babka wrote: > The memalloc_noreclaim_save() function currently has no documentation > comment, so the implications of its usage are not obvious. Namely that > it not only prevents entering reclaim (as the name suggests), but also > allows using all memory reserves and thus should be only used in > contexts that are allocating memory to free memory. This may lead to new > improper usages being added. > > Thus add a documenting comment, based on the description of > __GFP_MEMALLOC. While at it, also document memalloc_pin_save() so that > all the memalloc_ scopes are documented. In the comments describing the > relevant PF_MEMALLOC flags, refer to their scope setting functions. > > Signed-off-by: Vlastimil Babka <vbabka@xxxxxxx> Acked-by: Michal Hocko <mhocko@xxxxxxxx> Thanks! -- Michal Hocko SUSE Labs
