+ lib-add-mul_u64_add_u64_div_u64-and-mul_u64_u64_div_u64_roundup-fix-fix.patch added to mm-nonmm-unstable branch

+ lib-add-mul_u64_add_u64_div_u64-and-mul_u64_u64_div_u64_roundup-fix-fix.patch added to mm-nonmm-unstable branch

[Andrew Morton]

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The patch titled
     Subject: lib-add-mul_u64_add_u64_div_u64-and-mul_u64_u64_div_u64_roundup-fix-fix
has been added to the -mm mm-nonmm-unstable branch.  Its filename is
     lib-add-mul_u64_add_u64_div_u64-and-mul_u64_u64_div_u64_roundup-fix-fix.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/lib-add-mul_u64_add_u64_div_u64-and-mul_u64_u64_div_u64_roundup-fix-fix.patch

This patch will later appear in the mm-nonmm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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------------------------------------------------------
From: Andrew Morton <akpm@linux-foundation.org>
Subject: lib-add-mul_u64_add_u64_div_u64-and-mul_u64_u64_div_u64_roundup-fix-fix
Date: Sat Nov  1 04:54:04 PM PDT 2025

fix the fix

Cc: Biju Das <biju.das.jz@bp.renesas.com>
Cc: Borislav Betkov <bp@alien8.de>
Cc: David Laight <david.laight.linux@gmail.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Li RongQing <lirongqing@baidu.com>
Cc: Nicolas Pitre <npitre@baylibre.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleinxer <tglx@linutronix.de>
Cc: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Cc: "yukuai (C)" <yukuai3@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 arch/x86/include/asm/div64.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/x86/include/asm/div64.h~lib-add-mul_u64_add_u64_div_u64-and-mul_u64_u64_div_u64_roundup-fix-fix
+++ a/arch/x86/include/asm/div64.h
@@ -90,7 +90,7 @@ static inline u64 mul_u64_add_u64_div_u6
 
 	asm ("mulq %[mul]" : "+a" (rax), "=d" (rdx) : [mul] "rm" (mul));
 
-	if (!statically_true(add))
+	if (!statically_true(!add))
 		asm ("addq %[add], %[lo]; adcq $0, %[hi]" :
 			[lo] "+r" (rax), [hi] "+r" (rdx) : [add] "irm" (add));
 
_

Patches currently in -mm which might be from akpm@linux-foundation.org are

mm-vmscan-remove-folio_test_private-check-in-pageout-fix.patch
mm-khugepaged-unify-pmd-folio-installation-with-map_anon_folio_pmd-fix.patch
drivers-base-node-fold-register_node-into-register_one_node-fix.patch
mm-vmstat-fix-indentation-in-fold_diff-function-fix.patch
memcg-manually-uninline-__memcg_memory_event-fix.patch
mm-change-type-of-state-in-struct-memory_block-fix.patch
init-mainc-wrap-long-kernel-cmdline-when-printing-to-logs-fix.patch
panic-sys_info-factor-out-read-and-write-handlers-checkpatch-fixes.patch
lib-add-mul_u64_add_u64_div_u64-and-mul_u64_u64_div_u64_roundup-fix.patch
lib-add-mul_u64_add_u64_div_u64-and-mul_u64_u64_div_u64_roundup-fix-fix.patch