Skip to contentSkip to conversation

kernel-relay-use-__gfp_zero-in-relay_alloc_buf.patch removed from -mm tree

merged mm-nonmm-stable Andrew Morton 1 participant 1 message Jul 10, 2025

lore
Share & tools
lore

Andrew Morton

author tree notice Applied
#0 lore raw

The quilt patch titled
Subject: kernel: relay: use __GFP_ZERO in relay_alloc_buf
has been removed from the -mm tree. Its filename was
kernel-relay-use-__gfp_zero-in-relay_alloc_buf.patch

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

------------------------------------------------------
From: Elijah Wright <[email protected]>
Subject: kernel: relay: use __GFP_ZERO in relay_alloc_buf
Date: Tue, 10 Jun 2025 15:56:28 -0700

Passing the __GFP_ZERO flag to alloc_page should result in less overhead th= an using memset()

---

 kernel/relay.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
kernel/relay.c renamed from kernel/relay.c~kernel-relay-use-__gfp_zero-in-relay_alloc_buf +1 -2
@@ -118,7 +118,7 @@ static void *relay_alloc_buf(struct rcha
 		return NULL;
 
 	for (i = 0; i < n_pages; i++) {
-		buf->page_array[i] = alloc_page(GFP_KERNEL);
+		buf->page_array[i] = alloc_page(GFP_KERNEL | __GFP_ZERO);
 		if (unlikely(!buf->page_array[i]))
 			goto depopulate;
 		set_page_private(buf->page_array[i], (unsigned long)buf);
@@ -127,7 +127,6 @@ static void *relay_alloc_buf(struct rcha
 	if (!mem)
 		goto depopulate;
 
-	memset(mem, 0, *size);
 	buf->page_count = n_pages;
 	return mem;
 

_

Patches currently in -mm which might be from [email protected] are