On Fri, 21 Jul 2023 17:17:24 +0000 Nadav Amit <namit@xxxxxxxxxx> wrote: > > I also added a "is_freed" field that is part of the union and is set if > > list elements have content. Note, since the union was criticized before, I > > will state the entire purpose of doing this patch set is to save memory. > > This structure will be used for every event file. What's the point of > > getting rid of dentries if we are replacing it with something just as big? > > Anyway, struct dentry does the exact same thing! > > Hey, don’t shoot me… ;-) > > [And admittedly, I didn’t review the whole series after v1.] > > I understand your position, but I think that at least is_freed should not > be in the union, and you can just put it after umode_t. > > Even for the matter of size, it should not matter in most architectures > since umode_t is 16-bit, as natural alignment is at least 32-bits. My new code I'm working on removes the umode_t and will require this then. I rather have that part tested before adding other drastic changes. -- Steve > > [ And “bool" is clearer type for is_freed. ] >