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* [to-be-updated] mm-kmemleak-use-is_err_pcpu-for-pointer-in-the-percpu-address-space.patch removed from -mm tree
@ 2024-08-15  0:02 Andrew Morton
  0 siblings, 0 replies; only message in thread
From: Andrew Morton @ 2024-08-15  0:02 UTC (permalink / raw)
  To: mm-commits, catalin.marinas, ubizjak, akpm


The quilt patch titled
     Subject: mm/kmemleak: use IS_ERR_PCPU() for pointer in the percpu address space
has been removed from the -mm tree.  Its filename was
     mm-kmemleak-use-is_err_pcpu-for-pointer-in-the-percpu-address-space.patch

This patch was dropped because an updated version will be issued

------------------------------------------------------
From: Uros Bizjak <ubizjak@gmail.com>
Subject: mm/kmemleak: use IS_ERR_PCPU() for pointer in the percpu address space
Date: Tue, 13 Aug 2024 19:25:11 +0200

Use IS_ERR_PCPU() instead of IS_ERR() for pointers in the percpu address
space.  The patch also fixes following sparse warnings:

kmemleak.c:1063:39: warning: cast removes address space '__percpu' of expression
kmemleak.c:1138:37: warning: cast removes address space '__percpu' of expression

Link: https://lkml.kernel.org/r/20240813172543.38411-2-ubizjak@gmail.com
Signed-off-by: Uros Bizjak <ubizjak@gmail.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/kmemleak.c |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

--- a/mm/kmemleak.c~mm-kmemleak-use-is_err_pcpu-for-pointer-in-the-percpu-address-space
+++ a/mm/kmemleak.c
@@ -1070,8 +1070,8 @@ void __ref kmemleak_alloc_percpu(const v
 {
 	pr_debug("%s(0x%px, %zu)\n", __func__, ptr, size);
 
-	if (kmemleak_enabled && ptr && !IS_ERR(ptr))
-		create_object_percpu((unsigned long)ptr, size, 1, gfp);
+	if (kmemleak_enabled && ptr && !IS_ERR_PCPU(ptr))
+		create_object_percpu((__force unsigned long)ptr, size, 1, gfp);
 }
 EXPORT_SYMBOL_GPL(kmemleak_alloc_percpu);
 
@@ -1145,8 +1145,8 @@ void __ref kmemleak_free_percpu(const vo
 {
 	pr_debug("%s(0x%px)\n", __func__, ptr);
 
-	if (kmemleak_free_enabled && ptr && !IS_ERR(ptr))
-		delete_object_full((unsigned long)ptr, OBJECT_PERCPU);
+	if (kmemleak_free_enabled && ptr && !IS_ERR_PCPU(ptr))
+		delete_object_full((__force unsigned long)ptr, OBJECT_PERCPU);
 }
 EXPORT_SYMBOL_GPL(kmemleak_free_percpu);
 
_

Patches currently in -mm which might be from ubizjak@gmail.com are

mm-z3fold-add-__percpu-annotation-to-unbuddied-pointer-in-struct-z3fold_pool.patch
kexec-use-atomic_try_cmpxchg_acquire-in-kexec_trylock.patch
lib-percpu_counter-add-missing-__percpu-qualifier-to-a-cast.patch


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2024-08-15  0:02 [to-be-updated] mm-kmemleak-use-is_err_pcpu-for-pointer-in-the-percpu-address-space.patch removed from -mm tree Andrew Morton

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