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authorDavid Hildenbrand <david@redhat.com>2020-01-31 09:14:01 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2020-01-31 21:30:38 +0300
commit3f9903b9ca5e981b5862d7b10086d0e8caa20298 (patch)
treecf01ccc4fb9f06d2a8c411bfd4c37b4affb1dac2 /drivers
parent3f1353552e256cb3bf0f23334c48f50476044673 (diff)
downloadlinux-3f9903b9ca5e981b5862d7b10086d0e8caa20298.tar.xz
mm: remove the memory isolate notifier
Luckily, we have no users left, so we can get rid of it. Cleanup set_migratetype_isolate() a little bit. Link: http://lkml.kernel.org/r/20191114131911.11783-2-david@redhat.com Signed-off-by: David Hildenbrand <david@redhat.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Michal Hocko <mhocko@suse.com> Cc: "Rafael J. Wysocki" <rafael@kernel.org> Cc: Pavel Tatashin <pasha.tatashin@soleen.com> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Oscar Salvador <osalvador@suse.de> Cc: Qian Cai <cai@lca.pw> Cc: Anshuman Khandual <anshuman.khandual@arm.com> Cc: Pingfan Liu <kernelfans@gmail.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/base/memory.c19
1 files changed, 0 insertions, 19 deletions
diff --git a/drivers/base/memory.c b/drivers/base/memory.c
index 799b43191dea..064643927827 100644
--- a/drivers/base/memory.c
+++ b/drivers/base/memory.c
@@ -70,20 +70,6 @@ void unregister_memory_notifier(struct notifier_block *nb)
}
EXPORT_SYMBOL(unregister_memory_notifier);
-static ATOMIC_NOTIFIER_HEAD(memory_isolate_chain);
-
-int register_memory_isolate_notifier(struct notifier_block *nb)
-{
- return atomic_notifier_chain_register(&memory_isolate_chain, nb);
-}
-EXPORT_SYMBOL(register_memory_isolate_notifier);
-
-void unregister_memory_isolate_notifier(struct notifier_block *nb)
-{
- atomic_notifier_chain_unregister(&memory_isolate_chain, nb);
-}
-EXPORT_SYMBOL(unregister_memory_isolate_notifier);
-
static void memory_block_release(struct device *dev)
{
struct memory_block *mem = to_memory_block(dev);
@@ -175,11 +161,6 @@ int memory_notify(unsigned long val, void *v)
return blocking_notifier_call_chain(&memory_chain, val, v);
}
-int memory_isolate_notify(unsigned long val, void *v)
-{
- return atomic_notifier_call_chain(&memory_isolate_chain, val, v);
-}
-
/*
* The probe routines leave the pages uninitialized, just as the bootmem code
* does. Make sure we do not access them, but instead use only information from