mm/khugepaged: use DEFINE_READ_MOSTLY_HASHTABLE macro

These are equivalent, but DEFINE_READ_MOSTLY_HASHTABLE exists to define
a hashtable in the .data..read_mostly section.

Link: https://lkml.kernel.org/r/20230609-khugepage-v1-1-dad4e8382298@google.com
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Yang Shi <shy828301@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/mm/khugepaged.c b/mm/khugepaged.c
index 0b4f007128958d61eeadd26e31b618f1245633ce..87e962c79a52cd004cfa7808e7e7cbab60db4e32 100644 (file)
--- a/mm/khugepaged.c
+++ b/mm/khugepaged.c
@@ -88,7 +88,7 @@ static unsigned int khugepaged_max_ptes_swap __read_mostly;
 static unsigned int khugepaged_max_ptes_shared __read_mostly;
 
 #define MM_SLOTS_HASH_BITS 10
-static __read_mostly DEFINE_HASHTABLE(mm_slots_hash, MM_SLOTS_HASH_BITS);
+static DEFINE_READ_MOSTLY_HASHTABLE(mm_slots_hash, MM_SLOTS_HASH_BITS);
 
 static struct kmem_cache *mm_slot_cache __read_mostly;