open-cas-linux/configure.d/1_munmap.conf
Robert Baldyga 13c51041ff Generate and apply config
Allows for faster configuration in known environments

Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
2019-07-11 03:32:53 -04:00

57 lines
1.2 KiB
Bash

#!/bin/bash
#
# Copyright(c) 2012-2019 Intel Corporation
# SPDX-License-Identifier: BSD-3-Clause-Clear
#
. `dirname $0`/conf_framework
check() {
if compile_module "vm_munmap(0, 0)" "linux/mm.h"
then
echo "1"
elif compile_module "do_munmap(NULL, 0)" "linux/mm.h"
then
echo "2"
else
echo "X"
fi
}
apply() {
case "$1" in
"1")
add_function "
#include <uapi/asm-generic/mman-common.h>
static inline unsigned long cas_vm_mmap(struct file *file,
unsigned long addr, unsigned long len)
{
return vm_mmap(file, addr, len, PROT_READ | PROT_WRITE,
MAP_ANONYMOUS | MAP_PRIVATE, 0);
}"
add_function "
static inline int cas_vm_munmap(unsigned long start, size_t len)
{
return vm_munmap(start, len);
}" ;;
"2")
add_function "
#include <asm-generic/mman-common.h>
static inline unsigned long cas_vm_mmap(struct file *file,
unsigned long addr, unsigned long len)
{
return do_mmap_pgoff(file, addr, len, PROT_READ | PROT_WRITE,
MAP_ANONYMOUS | MAP_PRIVATE, 0);
}"
add_function "
static inline int cas_vm_munmap(unsigned long start, size_t len)
{
return do_munmap(current->mm, start, len);
}" ;;
*)
exit 1
esac
}
conf_run $@