Subject: + mm-memory_hotplugc-fix-return-value-of-online_pages.patch added to -mm tree
To: toshi.kani@xxxxxx,isimatu.yasuaki@xxxxxxxxxxxxxx,tangchen@xxxxxxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Mon, 08 Jul 2013 13:56:33 -0700
The patch titled
Subject: mm/memory_hotplug.c: fix return value of online_pages()
has been added to the -mm tree. Its filename is
mm-memory_hotplugc-fix-return-value-of-online_pages.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-memory_hotplugc-fix-return-value-of-online_pages.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-memory_hotplugc-fix-return-value-of-online_pages.patch
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------------------------------------------------------
From: Toshi Kani <toshi.kani@xxxxxx>
Subject: mm/memory_hotplug.c: fix return value of online_pages()
online_pages() is called from memory_block_action() when a user requests
to online a memory block via sysfs. This function needs to return a
proper error value in case of error.
Signed-off-by: Toshi Kani <toshi.kani@xxxxxx>
Cc: Yasuaki Ishimatsu <isimatu.yasuaki@xxxxxxxxxxxxxx>
Cc: Tang Chen <tangchen@xxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/memory_hotplug.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff -puN mm/memory_hotplug.c~mm-memory_hotplugc-fix-return-value-of-online_pages mm/memory_hotplug.c
--- a/mm/memory_hotplug.c~mm-memory_hotplugc-fix-return-value-of-online_pages
+++ a/mm/memory_hotplug.c
@@ -914,19 +914,19 @@ int __ref online_pages(unsigned long pfn
if ((zone_idx(zone) > ZONE_NORMAL || online_type == ONLINE_MOVABLE) &&
!can_online_high_movable(zone)) {
unlock_memory_hotplug();
- return -1;
+ return -EINVAL;
}
if (online_type == ONLINE_KERNEL && zone_idx(zone) == ZONE_MOVABLE) {
if (move_pfn_range_left(zone - 1, zone, pfn, pfn + nr_pages)) {
unlock_memory_hotplug();
- return -1;
+ return -EINVAL;
}
}
if (online_type == ONLINE_MOVABLE && zone_idx(zone) == ZONE_MOVABLE - 1) {
if (move_pfn_range_right(zone, zone + 1, pfn, pfn + nr_pages)) {
unlock_memory_hotplug();
- return -1;
+ return -EINVAL;
}
}
_
Patches currently in -mm which might be from toshi.kani@xxxxxx are
origin.patch
mm-sparsec-put-clear_hwpoisoned_pages-within-config_memory_hotremove.patch
mm-memory_hotplugc-fix-return-value-of-online_pages.patch
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