Re: [PATCH] filemap: Init the newly allocated folio memory to 0 for the filemap

[Al Viro]

On Fri, Aug 02, 2024 at 10:44:15PM +0800, Lizhi Xu wrote:
> On Fri, 2 Aug 2024 14:52:14 +0100, Al Viro wrote:
> > > +			ERROR("Wrong i_size %d!\n", inode->i_size);
> > > +			return -EINVAL;
> > > +		}
> > 
> > ITYM something like
> I do not recommend this type of code, as it would add unnecessary calls
> to le32_o_cpu compared to directly using i_size.
> > 		if (le32_to_cpu(sqsh_ino->symlink_size) > PAGE_SIZE) {
> > 			ERROR("Corrupted symlink\n");
> > 			return -EINVAL;
> > 		}

You do realize that it's inlined, right?  Seriously, compare the
generated code...