ksm.c (d26fad5b38e1c4667d4f2604936e59c837caa54d) ksm.c (743162013d40ca612b4cb53d3a200dff2d9ab26e)
1/*
2 * Memory merging support.
3 *
4 * This code enables dynamic sharing of identical pages found in different
5 * memory areas, even if they are not shared by fork()
6 *
7 * Copyright (C) 2008-2009 Red Hat, Inc.
8 * Authors:

--- 1964 unchanged lines hidden (view full) ---

1973 */
1974 smp_wmb();
1975 set_page_stable_node(oldpage, NULL);
1976 }
1977}
1978#endif /* CONFIG_MIGRATION */
1979
1980#ifdef CONFIG_MEMORY_HOTREMOVE
1/*
2 * Memory merging support.
3 *
4 * This code enables dynamic sharing of identical pages found in different
5 * memory areas, even if they are not shared by fork()
6 *
7 * Copyright (C) 2008-2009 Red Hat, Inc.
8 * Authors:

--- 1964 unchanged lines hidden (view full) ---

1973 */
1974 smp_wmb();
1975 set_page_stable_node(oldpage, NULL);
1976 }
1977}
1978#endif /* CONFIG_MIGRATION */
1979
1980#ifdef CONFIG_MEMORY_HOTREMOVE
1981static int just_wait(void *word)
1982{
1983 schedule();
1984 return 0;
1985}
1986
1987static void wait_while_offlining(void)
1988{
1989 while (ksm_run & KSM_RUN_OFFLINE) {
1990 mutex_unlock(&ksm_thread_mutex);
1991 wait_on_bit(&ksm_run, ilog2(KSM_RUN_OFFLINE),
1981static void wait_while_offlining(void)
1982{
1983 while (ksm_run & KSM_RUN_OFFLINE) {
1984 mutex_unlock(&ksm_thread_mutex);
1985 wait_on_bit(&ksm_run, ilog2(KSM_RUN_OFFLINE),
1992 just_wait, TASK_UNINTERRUPTIBLE);
1986 TASK_UNINTERRUPTIBLE);
1993 mutex_lock(&ksm_thread_mutex);
1994 }
1995}
1996
1997static void ksm_check_stable_tree(unsigned long start_pfn,
1998 unsigned long end_pfn)
1999{
2000 struct stable_node *stable_node;

--- 347 unchanged lines hidden --- 		1987 mutex_lock(&ksm_thread_mutex);
1988 }
1989}
1990
1991static void ksm_check_stable_tree(unsigned long start_pfn,
1992 unsigned long end_pfn)
1993{
1994 struct stable_node *stable_node;

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