[merged mm-stable] dmapool-speedup-dmapool_debug-with-init_on_alloc.patch removed from -mm tree

[Andrew Morton <akpm@linux-foundation.org>]

The quilt patch titled
     Subject: dmapool: speedup DMAPOOL_DEBUG with init_on_alloc
has been removed from the -mm tree.  Its filename was
     dmapool-speedup-dmapool_debug-with-init_on_alloc.patch

This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

------------------------------------------------------
From: Tony Battersby <tonyb@cybernetics.com>
Subject: dmapool: speedup DMAPOOL_DEBUG with init_on_alloc
Date: Thu, 26 Jan 2023 13:51:18 -0800

Avoid double-memset of the same allocated memory in dma_pool_alloc() when
both DMAPOOL_DEBUG is enabled and init_on_alloc=1.

Link: https://lkml.kernel.org/r/20230126215125.4069751-6-kbusch@meta.com
Signed-off-by: Tony Battersby <tonyb@cybernetics.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---


--- a/mm/dmapool.c~dmapool-speedup-dmapool_debug-with-init_on_alloc
+++ a/mm/dmapool.c
@@ -356,7 +356,7 @@ void *dma_pool_alloc(struct dma_pool *po
 			break;
 		}
 	}
-	if (!(mem_flags & __GFP_ZERO))
+	if (!want_init_on_alloc(mem_flags))
 		memset(retval, POOL_POISON_ALLOCATED, pool->size);
 #endif
 	spin_unlock_irqrestore(&pool->lock, flags);
_

Patches currently in -mm which might be from tonyb@cybernetics.com are