On Sat, Aug 15, 2020 at 11:42:10PM +0100, Al Viro wrote: > On Sat, Aug 15, 2020 at 11:23:43AM -0700, Pascal Bouchareine wrote: > > Let caller specify allocation. > > Preserve existing calls with GFP_USER. > > Bloody bad idea, unless you slap a BUG_ON(flags & GFP_ATOMIC) on it, > to make sure nobody tries _that_. Note that copying from userland > is an inherently blocking operation, and this interface invites > just that. > > What do you need that flag for, anyway?
You need it for kmem accounting.
