From: Souptick Joarder <jrdr.linux@xxxxxxxxx> Subject: mm/memory_hotplug.c: remove __online_page_set_limits() __online_page_set_limits() is a dummy function - remove it and all callers. Link: http://lkml.kernel.org/r/8e1bc9d3b492f6bde16e95ebc1dee11d6aefabd7.1567889743.git.jrdr.linux@xxxxxxxxx Link: http://lkml.kernel.org/r/854db2cf8145d9635249c95584d9a91fd774a229.1567889743.git.jrdr.linux@xxxxxxxxx Link: http://lkml.kernel.org/r/9afe6c5a18158f3884a6b302ac2c772f3da49ccc.1567889743.git.jrdr.linux@xxxxxxxxx Signed-off-by: Souptick Joarder <jrdr.linux@xxxxxxxxx> Reviewed-by: David Hildenbrand <david@xxxxxxxxxx> Acked-by: Michal Hocko <mhocko@xxxxxxxx> Cc: Juergen Gross <jgross@xxxxxxxx> Cc: "Kirill A. Shutemov" <kirill@xxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- drivers/hv/hv_balloon.c | 1 - drivers/xen/balloon.c | 1 - include/linux/memory_hotplug.h | 2 -- mm/memory_hotplug.c | 5 ----- 4 files changed, 9 deletions(-) --- a/drivers/hv/hv_balloon.c~mm-memory_hotplugc-remove-__online_page_set_limits +++ a/drivers/hv/hv_balloon.c @@ -680,7 +680,6 @@ static void hv_page_online_one(struct hv __ClearPageOffline(pg); /* This frame is currently backed; online the page. */ - __online_page_set_limits(pg); generic_online_page(pg, 0); lockdep_assert_held(&dm_device.ha_lock); --- a/drivers/xen/balloon.c~mm-memory_hotplugc-remove-__online_page_set_limits +++ a/drivers/xen/balloon.c @@ -374,7 +374,6 @@ static void xen_online_page(struct page mutex_lock(&balloon_mutex); for (i = 0; i < size; i++) { p = pfn_to_page(start_pfn + i); - __online_page_set_limits(p); balloon_append(p); } mutex_unlock(&balloon_mutex); --- a/include/linux/memory_hotplug.h~mm-memory_hotplugc-remove-__online_page_set_limits +++ a/include/linux/memory_hotplug.h @@ -106,8 +106,6 @@ extern void generic_online_page(struct p extern int set_online_page_callback(online_page_callback_t callback); extern int restore_online_page_callback(online_page_callback_t callback); -extern void __online_page_set_limits(struct page *page); - extern int try_online_node(int nid); extern int arch_add_memory(int nid, u64 start, u64 size, --- a/mm/memory_hotplug.c~mm-memory_hotplugc-remove-__online_page_set_limits +++ a/mm/memory_hotplug.c @@ -598,11 +598,6 @@ int restore_online_page_callback(online_ } EXPORT_SYMBOL_GPL(restore_online_page_callback); -void __online_page_set_limits(struct page *page) -{ -} -EXPORT_SYMBOL_GPL(__online_page_set_limits); - void generic_online_page(struct page *page, unsigned int order) { kernel_map_pages(page, 1 << order, 1); _
