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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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46cd2f32ba
Fix compilation problem in PM headers. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
83 lines
2.1 KiB
C
83 lines
2.1 KiB
C
#ifndef _LINUX_SWSUSP_H
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#define _LINUX_SWSUSP_H
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#if defined(CONFIG_X86) || defined(CONFIG_FRV) || defined(CONFIG_PPC32)
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#include <asm/suspend.h>
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#endif
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#include <linux/swap.h>
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#include <linux/notifier.h>
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#include <linux/config.h>
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#include <linux/init.h>
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#include <linux/pm.h>
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/* page backup entry */
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typedef struct pbe {
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unsigned long address; /* address of the copy */
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unsigned long orig_address; /* original address of page */
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struct pbe *next;
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} suspend_pagedir_t;
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#define for_each_pbe(pbe, pblist) \
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for (pbe = pblist ; pbe ; pbe = pbe->next)
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#define PBES_PER_PAGE (PAGE_SIZE/sizeof(struct pbe))
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#define PB_PAGE_SKIP (PBES_PER_PAGE-1)
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#define for_each_pb_page(pbe, pblist) \
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for (pbe = pblist ; pbe ; pbe = (pbe+PB_PAGE_SKIP)->next)
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#define SWAP_FILENAME_MAXLENGTH 32
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extern dev_t swsusp_resume_device;
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/* mm/vmscan.c */
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extern int shrink_mem(void);
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/* mm/page_alloc.c */
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extern void drain_local_pages(void);
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extern void mark_free_pages(struct zone *zone);
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#ifdef CONFIG_PM
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/* kernel/power/swsusp.c */
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extern int software_suspend(void);
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#if defined(CONFIG_VT) && defined(CONFIG_VT_CONSOLE)
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extern int pm_prepare_console(void);
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extern void pm_restore_console(void);
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#else
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static inline int pm_prepare_console(void) { return 0; }
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static inline void pm_restore_console(void) {}
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#endif /* defined(CONFIG_VT) && defined(CONFIG_VT_CONSOLE) */
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#else
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static inline int software_suspend(void)
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{
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printk("Warning: fake suspend called\n");
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return -EPERM;
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}
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#endif /* CONFIG_PM */
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#ifdef CONFIG_SUSPEND_SMP
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extern void disable_nonboot_cpus(void);
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extern void enable_nonboot_cpus(void);
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#else
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static inline void disable_nonboot_cpus(void) {}
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static inline void enable_nonboot_cpus(void) {}
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#endif
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void save_processor_state(void);
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void restore_processor_state(void);
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struct saved_context;
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void __save_processor_state(struct saved_context *ctxt);
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void __restore_processor_state(struct saved_context *ctxt);
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unsigned long get_safe_page(gfp_t gfp_mask);
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/*
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* XXX: We try to keep some more pages free so that I/O operations succeed
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* without paging. Might this be more?
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*/
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#define PAGES_FOR_IO 1024
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#endif /* _LINUX_SWSUSP_H */
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