On Mon, Nov 02, 2020 at 02:33:43PM +0100, Greg Kroah-Hartman wrote: > > Oh, ugh, sysfs_emit() should be able to work on a buffer that isn't > > page aligned. Greg, how about this? > > How can sysfs_emit() be called on a non-page-aligned buffer? It's being > used on the buffer that was passed to the sysfs call. > > And if you are writing multiple values to a single sysfs file output, > well, not good... See shmem_enabled_show() in mm/shmem.c (output at /sys/kernel/mm/transparent_hugepage/shmem_enabled on your machine). I don't claim it's a good interface, but it exists.
