On Thu, Apr 13, 2023 at 10:28:40PM -0700, Luis Chamberlain wrote: > With this we run into 0 wasted virtual memory bytes. This changelog does not make any sense at all, sorry. What are you doing here and why? > > Signed-off-by: Luis Chamberlain <mcgrof@xxxxxxxxxx> > --- > fs/kernel_read_file.c | 150 ++++++++++++++++++++++++++++++++++++++++++ > kernel/module/main.c | 6 +- > 2 files changed, 154 insertions(+), 2 deletions(-) > > diff --git a/fs/kernel_read_file.c b/fs/kernel_read_file.c > index 5d826274570c..209c56764442 100644 > --- a/fs/kernel_read_file.c > +++ b/fs/kernel_read_file.c > @@ -4,6 +4,7 @@ > #include <linux/kernel_read_file.h> > #include <linux/security.h> > #include <linux/vmalloc.h> > +#include <linux/fdtable.h> > > /** > * kernel_read_file() - read file contents into a kernel buffer > @@ -171,17 +172,166 @@ ssize_t kernel_read_file_from_path_initns(const char *path, loff_t offset, > } > EXPORT_SYMBOL_GPL(kernel_read_file_from_path_initns); > > +DEFINE_MUTEX(kread_dup_mutex); static? I stopped reading here :) thanks, greg k-h
