auto
  0   ˆl–äY>”TÔD¨ 	ÅrãO©‹FÿÌƒM7_ŒuÐb&=LyYÿÃÏ ¥    #!/usr/bin/sh
# SPDX-License-Identifier: GPL-2.0
#
# A depmod wrapper used by the toplevel Makefile

if test $# -ne 2; then
	echo "Usage: $0 /sbin/depmod <kernelrelease>" >&2
	exit 1
fi
DEPMOD=$1
KERNELRELEASE=$2

if ! test -r System.map ; then
	echo "Warning: modules_install: missing 'System.map' file. Skipping depmod." >&2
	exit 0
fi

# legacy behavior: "depmod" in /sbin, no /sbin in PATH
PATH="$PATH:/sbin"
if [ -z $(command -v $DEPMOD) ]; then
	echo "Warning: 'make modules_install' requires $DEPMOD. Please install it." >&2
	echo "This is probably in the kmod package." >&2
	exit 0
fi

# older versions of depmod require the version string to start with three
# numbers, so we cheat with a symlink here
depmod_hack_needed=true
tmp_dir=$(mktemp -d ${TMPDIR:-/tmp}/depmod.XXXXXX)
mkdir -p "$tmp_dir/lib/modules/$KERNELRELEASE"
if "$DEPMOD" -b "$tmp_dir" $KERNELRELEASE 2>/dev/null; then
	if test -e "$tmp_dir/lib/modules/$KERNELRELEASE/modules.dep" -o \
		-e "$tmp_dir/lib/modules/$KERNELRELEASE/modules.dep.bin"; then
		depmod_hack_needed=false
	fi
fi
rm -rf "$tmp_dir"
if $depmod_hack_needed; then
	symlink="$INSTALL_MOD_PATH/lib/modules/99.98.$KERNELRELEASE"
	ln -s "$KERNELRELEASE" "$symlink"
	KERNELRELEASE=99.98.$KERNELRELEASE
fi

set -- -ae -F System.map
if test -n "$INSTALL_MOD_PATH"; then
	set -- "$@" -b "$INSTALL_MOD_PATH"
fi
"$DEPMOD" "$@" "$KERNELRELEASE"
ret=$?

if $depmod_hack_needed; then
	rm -f "$symlink"
fi

exit $ret
  $   !ˆÉÍ„`ußÈa–Ãa¾”*j"Tâjà^¸TÅ£Ð ?÷     !/* SPDX-License-Identifier: GPL-2.0 */
/*
 * DAMON api
 *
 * Author: SeongJae Park <sjpark@amazon.de>
 */

#ifndef _DAMON_H_
#define _DAMON_H_

#include <linux/memcontrol.h>
#include <linux/mutex.h>
#include <linux/time64.h>
#include <linux/types.h>
#include <linux/random.h>

/* Minimal region size.  Every damon_region is aligned by this. */
#define DAMON_MIN_REGION	PAGE_SIZE
/* Max priority score for DAMON-based operation schemes */
#define DAMOS_MAX_SCORE		(99)

/* Get a random number in [l, r) */
static inline unsigned long damon_rand(unsigned long l, unsigned long r)
{
	return l + prandom_u32_max(r - l);
}

/**
 * struct damon_addr_range - Represents an address region of [@start, @end).
 * @start:	Start address of the region (inclusive).
 * @end:	End address of the region (exclusive).
 */
struct damon_addr_range {
	unsigned long start;
	unsigned long end;
};

/**
 * struct damon_region - Represents a monitoring target region.
 * @ar:			The address range of the region.
 * @sampling_addr:	Address of the sample for the next access check.
 * @nr_accesses:	Access frequency of this region.
 * @list:		List head for siblings.
 * @age:		Age of this region.
 *
 * @age is initially zero, increased for each aggregation interval, and reset
 * to zero again if the access frequency is significantly changed.  If two
 * regions are merged into a new region, both @nr_accesses and @age of the new
 * region are set as region size-weighted average of those of the two regions.
 */
struct damon_region {
	struct damon_addr_range ar;
	unsigned long sampling_addr;
	unsigned int nr_accesses;
	struct list_head list;

	unsigned int age;
/* private: Internal value for age calculation. */
	unsigned int last_nr_accesses;
};

/**
 * struct damon_target - Represents a monitoring target.
 * @pid:		The PID of the virtual address space to monitor.
 * @nr_regions:		Number of monitoring target regions of this target.
 * @regions_list:	Head of the monitoring target regions of this target.
 * @list:		List head for siblings.
 *
 * Each monitoring context could have multiple targets.  For example, a context
 * for virtual memory address spaces could have multiple target processes.  The
 * @pid should be set for appropriate &struct damon_operations including the
 * virtual address spaces monitoring operations.
 */
struct damon_target {
	struct pid *pid;
	unsigned int nr_regions;
	struct list_head regions_list;
	struct list_head list;
};

/**
 * enum damos_action - Represents an action of a Data Access Monitoring-based
 *