VMTRUNCATE(9) Memory Management in Linux VMTRUNCATE(9)NAMEvmtruncate - unmap mappings “freed” by truncate syscall
SYNOPSIS
int vmtruncate(struct inode * inode, loff_t newsize);
ARGUMENTS
inode
inode of the file used
newsize
file offset to start truncating
DESCRIPTION
This function is deprecated and truncate_setsize or truncate_pagecache
should be used instead, together with filesystem specific block
truncation.
COPYRIGHTKernel Hackers Manual 2.6. November 2013 VMTRUNCATE(9)