Name
vmtruncate —
unmap mappings “freed” by truncate
syscall
Synopsis
int vmtruncate ( | struct inode * | inode, |
| loff_t | offset) ; |
Arguments
inode
inode of the file used
offset
file offset to start truncating
Description
NOTE! We have to be ready to update the memory sharing
between the file and the memory map for a potential last
incomplete page. Ugly, but necessary.