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    Subject[PATCH 2/9] fs/proc/kcore.c: use hotplug_memory_notifier() directly
    Date
    Since patch 316346243be6 has already updated the minimum gcc version to 5.1.
    The previous problem mentioned in patch f02c69680088 is not existed. So we
    can now revert to use hotplug_memory_notifier() directly rather than
    register_hotmemory_notifier().

    Signed-off-by: Liu Shixin <liushixin2@huawei.com>
    ---
    fs/proc/kcore.c | 7 +------
    1 file changed, 1 insertion(+), 6 deletions(-)

    diff --git a/fs/proc/kcore.c b/fs/proc/kcore.c
    index dff921f7ca33..7692a360972d 100644
    --- a/fs/proc/kcore.c
    +++ b/fs/proc/kcore.c
    @@ -18,7 +18,6 @@
    #include <linux/capability.h>
    #include <linux/elf.h>
    #include <linux/elfcore.h>
    -#include <linux/notifier.h>
    #include <linux/vmalloc.h>
    #include <linux/highmem.h>
    #include <linux/printk.h>
    @@ -638,10 +637,6 @@ static int __meminit kcore_callback(struct notifier_block *self,
    return NOTIFY_OK;
    }

    -static struct notifier_block kcore_callback_nb __meminitdata = {
    - .notifier_call = kcore_callback,
    - .priority = 0,
    -};

    static struct kcore_list kcore_vmalloc;

    @@ -694,7 +689,7 @@ static int __init proc_kcore_init(void)
    add_modules_range();
    /* Store direct-map area from physical memory map */
    kcore_update_ram();
    - register_hotmemory_notifier(&kcore_callback_nb);
    + hotplug_memory_notifier(kcore_callback, 0);

    return 0;
    }
    --
    2.25.1
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