linux-kernel - [PATCH] riscv: Remove __GFP

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-ID: <20251107182620.95844-1-vishal.moola@gmail.com>
Date: Fri,  7 Nov 2025 10:26:20 -0800
From: "Vishal Moola (Oracle)" <vishal.moola@...il.com>
To: linux-kernel@...r.kernel.org,
	linux-riscv@...ts.infradead.org
Cc: Palmer Dabbelt <palmer@...belt.com>,
	Paul Walmsley <pjw@...nel.org>,
	Albert Ou <aou@...s.berkeley.edu>,
	"Vishal Moola (Oracle)" <vishal.moola@...il.com>
Subject: [PATCH] riscv: Remove __GFP_HIGHMEM masking

Remove unnecessary __GFP_HIGHMEM masking, which was introduced with
commit 380f2c1ae9d4 ("riscv: convert alloc_{pmd, pte}_late() to use
ptdescs"). GFP_KERNEL doesn't contain __GFP_HIGHMEM.

Signed-off-by: Vishal Moola (Oracle) <vishal.moola@...il.com>
---
 arch/riscv/mm/init.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c
index d85efe74a4b6..addb8a9305be 100644
--- a/arch/riscv/mm/init.c
+++ b/arch/riscv/mm/init.c
@@ -441,7 +441,7 @@ static inline phys_addr_t __init alloc_pte_fixmap(uintptr_t va)
 
 static phys_addr_t __meminit alloc_pte_late(uintptr_t va)
 {
-	struct ptdesc *ptdesc = pagetable_alloc(GFP_KERNEL & ~__GFP_HIGHMEM, 0);
+	struct ptdesc *ptdesc = pagetable_alloc(GFP_KERNEL, 0);
 
 	/*
 	 * We do not know which mm the PTE page is associated to at this point.
@@ -526,7 +526,7 @@ static phys_addr_t __init alloc_pmd_fixmap(uintptr_t va)
 
 static phys_addr_t __meminit alloc_pmd_late(uintptr_t va)
 {
-	struct ptdesc *ptdesc = pagetable_alloc(GFP_KERNEL & ~__GFP_HIGHMEM, 0);
+	struct ptdesc *ptdesc = pagetable_alloc(GFP_KERNEL, 0);
 
 	/* See comment in alloc_pte_late() regarding NULL passed the ctor */
 	BUG_ON(!ptdesc || !pagetable_pmd_ctor(NULL, ptdesc));
-- 
2.51.1