On Wed, Jul 13, 2022 at 03:49:45PM +0000, Song Liu wrote: > > > > On Jul 13, 2022, at 3:08 AM, Christoph Hellwig <hch@xxxxxxxxxxxxx> wrote: > > > > NAK. This is not something that should be an exported public API > > ever. > > Hmm.. I will remove EXPORT_SYMBOL_GPL (if we ever do a v2 of this..) Even without that it really is not a vmalloc API anyway. Executable memory needs to be written first, so we should allocate it in that state and only mark it executable after that write has completed.