The patch titled
Subject: mm/memory_hotplug.c: remove __online_page_set_limits()
has been added to the -mm tree. Its filename is
mm-memory_hotplugc-remove-__online_page_set_limits.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-memory_hotplugc-remove-__online_page_set_limits.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-memory_hotplugc-remove-__online_page_set_limits.patch
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------------------------------------------------------
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
@@ -622,11 +622,6 @@ 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);
_
Patches currently in -mm which might be from jrdr.linux@xxxxxxxxx are
mm-memory_hotplugc-remove-__online_page_set_limits.patch
