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authorMiaohe Lin <linmiaohe@huawei.com>2023-06-25 10:13:23 +0800
committerAndrew Morton <akpm@linux-foundation.org>2023-08-18 10:12:07 -0700
commit3fade62b62e84dd8dbf6e92d494b0e7eca750c43 (patch)
treecc4c51b7a1616a9e3c29a33bca345cfae1452b5b /include/linux/memblock.h
parent416ef04fe00c5f2f6fb8e13d8dbe1b5a0a274f83 (diff)
mm/mm_init.c: remove obsolete macro HASH_SMALL
HASH_SMALL only works when parameter numentries is 0. But the sole caller futex_init() never calls alloc_large_system_hash() with numentries set to 0. So HASH_SMALL is obsolete and remove it. Link: https://lkml.kernel.org/r/20230625021323.849147-1-linmiaohe@huawei.com Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> Reviewed-by: Mike Rapoport (IBM) <rppt@kernel.org> Cc: André Almeida <andrealmeid@igalia.com> Cc: Darren Hart <dvhart@infradead.org> Cc: Davidlohr Bueso <dave@stgolabs.net> Cc: Ingo Molnar <mingo@redhat.com> Cc: Miaohe Lin <linmiaohe@huawei.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include/linux/memblock.h')
-rw-r--r--include/linux/memblock.h4
1 files changed, 1 insertions, 3 deletions
diff --git a/include/linux/memblock.h b/include/linux/memblock.h
index f71ff9f0ec81..0d031fbfea25 100644
--- a/include/linux/memblock.h
+++ b/include/linux/memblock.h
@@ -581,9 +581,7 @@ extern void *alloc_large_system_hash(const char *tablename,
unsigned long high_limit);
#define HASH_EARLY 0x00000001 /* Allocating during early boot? */
-#define HASH_SMALL 0x00000002 /* sub-page allocation allowed, min
- * shift passed via *_hash_shift */
-#define HASH_ZERO 0x00000004 /* Zero allocated hash table */
+#define HASH_ZERO 0x00000002 /* Zero allocated hash table */
/* Only NUMA needs hash distribution. 64bit NUMA architectures have
* sufficient vmalloc space.