unmap_kernel_range_noflush(9) centos man page | unix.com

UNMAP_KERNEL_RANGE_N(9) 				    Memory Management in Linux					   UNMAP_KERNEL_RANGE_N(9)

NAME
       unmap_kernel_range_noflush - unmap kernel VM area

SYNOPSIS
       void unmap_kernel_range_noflush(unsigned long addr, unsigned long size);

ARGUMENTS
       addr
	   start of the VM area to unmap

       size
	   size of the VM area to unmap

DESCRIPTION
       Unmap PFN_UP(size) pages at addr. The VM area addr and size specify should have been allocated using get_vm_area and its friends.

NOTE
       This function does NOT do any cache flushing. The caller is responsible for calling flush_cache_vunmap on to-be-mapped areas before calling
       this function and flush_tlb_kernel_range after.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						   UNMAP_KERNEL_RANGE_N(9)