On Mon, Jan 17, 2022 at 11:17:55AM +0800, Rongwei Wang wrote:
> It seems this patch will make all file mappings align with PMD_SIZE?
Only those which are big enough. See __thp_get_unmapped_area():
if (off_end <= off_align || (off_end - off_align) < size)
return 0;
> And
> support realize all file THP, not only executable file THP?
Executables are not the only files which benefit from being mapped
to an aligned address. If you can use a PMD to map a font file,
for example, that's valuable.
