centos man page for filemap_fault

FILEMAP_FAULT(9)					    Memory Management in Linux						  FILEMAP_FAULT(9)

NAME
       filemap_fault - read in file data for page fault handling

SYNOPSIS
       int filemap_fault(struct vm_area_struct * vma, struct vm_fault * vmf);

ARGUMENTS
       vma
	   vma in which the fault was taken

       vmf
	   struct vm_fault containing details of the fault

DESCRIPTION
       filemap_fault is invoked via the vma operations vector for a mapped memory region to read in file data during a page fault.

       The goto's are kind of ugly, but this streamlines the normal case of having it in the page cache, and handles the special cases reasonably
       without having a lot of duplicated code.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014							  FILEMAP_FAULT(9)