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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2018-05-24 09:30:15 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2018-05-24 09:30:15 -0700 |
| commit | 754451342fc5954061ede74b0a8485ec4a4c6eaa (patch) | |
| tree | 82daccba5779de492631c42e47a614bd9d4cddd2 /include/linux/memory_hotplug.h | |
| parent | bf232e460a3530adf17da7d7f1332347b73a3d08 (diff) | |
| parent | 771c577c23bac90597c685971d7297ea00f99d11 (diff) | |
| download | cachepc-linux-754451342fc5954061ede74b0a8485ec4a4c6eaa.tar.gz cachepc-linux-754451342fc5954061ede74b0a8485ec4a4c6eaa.zip | |
Merge tag 'v4.17-rc6' into next
Sync up with mainline to bring in Atmel controller changes for Caroline.
Diffstat (limited to 'include/linux/memory_hotplug.h')
| -rw-r--r-- | include/linux/memory_hotplug.h | 56 |
1 files changed, 28 insertions, 28 deletions
diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h index aba5f86eb038..e0e49b5b1ee1 100644 --- a/include/linux/memory_hotplug.h +++ b/include/linux/memory_hotplug.h @@ -52,24 +52,6 @@ enum { }; /* - * pgdat resizing functions - */ -static inline -void pgdat_resize_lock(struct pglist_data *pgdat, unsigned long *flags) -{ - spin_lock_irqsave(&pgdat->node_size_lock, *flags); -} -static inline -void pgdat_resize_unlock(struct pglist_data *pgdat, unsigned long *flags) -{ - spin_unlock_irqrestore(&pgdat->node_size_lock, *flags); -} -static inline -void pgdat_resize_init(struct pglist_data *pgdat) -{ - spin_lock_init(&pgdat->node_size_lock); -} -/* * Zone resizing functions * * Note: any attempt to resize a zone should has pgdat_resize_lock() @@ -234,9 +216,6 @@ void put_online_mems(void); void mem_hotplug_begin(void); void mem_hotplug_done(void); -extern void set_zone_contiguous(struct zone *zone); -extern void clear_zone_contiguous(struct zone *zone); - #else /* ! CONFIG_MEMORY_HOTPLUG */ #define pfn_to_online_page(pfn) \ ({ \ @@ -246,13 +225,6 @@ extern void clear_zone_contiguous(struct zone *zone); ___page; \ }) -/* - * Stub functions for when hotplug is off - */ -static inline void pgdat_resize_lock(struct pglist_data *p, unsigned long *f) {} -static inline void pgdat_resize_unlock(struct pglist_data *p, unsigned long *f) {} -static inline void pgdat_resize_init(struct pglist_data *pgdat) {} - static inline unsigned zone_span_seqbegin(struct zone *zone) { return 0; @@ -293,6 +265,34 @@ static inline bool movable_node_is_enabled(void) } #endif /* ! CONFIG_MEMORY_HOTPLUG */ +#if defined(CONFIG_MEMORY_HOTPLUG) || defined(CONFIG_DEFERRED_STRUCT_PAGE_INIT) +/* + * pgdat resizing functions + */ +static inline +void pgdat_resize_lock(struct pglist_data *pgdat, unsigned long *flags) +{ + spin_lock_irqsave(&pgdat->node_size_lock, *flags); +} +static inline +void pgdat_resize_unlock(struct pglist_data *pgdat, unsigned long *flags) +{ + spin_unlock_irqrestore(&pgdat->node_size_lock, *flags); +} +static inline +void pgdat_resize_init(struct pglist_data *pgdat) +{ + spin_lock_init(&pgdat->node_size_lock); +} +#else /* !(CONFIG_MEMORY_HOTPLUG || CONFIG_DEFERRED_STRUCT_PAGE_INIT) */ +/* + * Stub functions for when hotplug is off + */ +static inline void pgdat_resize_lock(struct pglist_data *p, unsigned long *f) {} +static inline void pgdat_resize_unlock(struct pglist_data *p, unsigned long *f) {} +static inline void pgdat_resize_init(struct pglist_data *pgdat) {} +#endif /* !(CONFIG_MEMORY_HOTPLUG || CONFIG_DEFERRED_STRUCT_PAGE_INIT) */ + #ifdef CONFIG_MEMORY_HOTREMOVE extern bool is_mem_section_removable(unsigned long pfn, unsigned long nr_pages); |