mmap

[Christophe Hauser]

Hi all,

When tracking mmaps from LSM with the following hook:

static int file_mmap(struct file *file, unsigned long reqprot,
        unsigned long prot, unsigned long flags,
                unsigned long addr, unsigned long addr_only);

I often get:
file = NULL
flags = 0x0 (MAP_FILE)
prot = 0x0 (PROT_NONE)

I am wondering what is the use for mmap with MAP_FILE and PROT_NONE together ?
Not sure how to interpret that ?

-- 
Christophe