aboutsummaryrefslogtreecommitdiffstats
path: root/lib
diff options
authorChristoph Hellwig <hch@lst.de>2026-05-18 07:17:48 +0200
committerAndrew Morton <akpm@linux-foundation.org>2026-05-28 21:24:53 -0700
commit885d314231837a58258edc2757def1ee7fa0138c (patch)
tree84103b3eb6768738b8d8440f9073af147c3009c4 /lib
parent06d2a66fb7c0b33ce893edb2f695add88291bff2 (diff)
downloadlinux-next-history-885d314231837a58258edc2757def1ee7fa0138c.tar.gz
raid6: remove raid6_get_zero_page
Just open code it as in other places in the kernel. Link: https://lore.kernel.org/20260518051804.462141-6-hch@lst.de Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Ard Biesheuvel <ardb@kernel.org> Tested-by: Ard Biesheuvel <ardb@kernel.org> # kunit only on arm64 Cc: Albert Ou <aou@eecs.berkeley.edu> Cc: Alexander Gordeev <agordeev@linux.ibm.com> Cc: Alexandre Ghiti <alex@ghiti.fr> Cc: Arnd Bergmann <arnd@arndb.de> Cc: "Borislav Petkov (AMD)" <bp@alien8.de> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Chris Mason <clm@fb.com> Cc: Christian Borntraeger <borntraeger@linux.ibm.com> Cc: Dan Williams <dan.j.williams@intel.com> Cc: David Sterba <dsterba@suse.com> Cc: Heiko Carstens <hca@linux.ibm.com> Cc: Herbert Xu <herbert@gondor.apana.org.au> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Huacai Chen <chenhuacai@kernel.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Li Nan <linan122@huawei.com> Cc: Madhavan Srinivasan <maddy@linux.ibm.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Nicholas Piggin <npiggin@gmail.com> Cc: Palmer Dabbelt <palmer@dabbelt.com> Cc: Song Liu <song@kernel.org> Cc: Sven Schnelle <svens@linux.ibm.com> Cc: Vasily Gorbik <gor@linux.ibm.com> Cc: WANG Xuerui <kernel@xen0n.name> Cc: Will Deacon <will@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'lib')
-rw-r--r--lib/raid/raid6/arm/recov_neon.c6
-rw-r--r--lib/raid/raid6/loongarch/recov_loongarch_simd.c12
-rw-r--r--lib/raid/raid6/recov.c6
-rw-r--r--lib/raid/raid6/riscv/recov_rvv.c6
-rw-r--r--lib/raid/raid6/s390/recov_s390xc.c6
-rw-r--r--lib/raid/raid6/x86/recov_avx2.c6
-rw-r--r--lib/raid/raid6/x86/recov_avx512.c6
-rw-r--r--lib/raid/raid6/x86/recov_ssse3.c6
8 files changed, 27 insertions, 27 deletions
diff --git a/lib/raid/raid6/arm/recov_neon.c b/lib/raid/raid6/arm/recov_neon.c
index 5a48fcc762e82..9993bda5d3a6b 100644
--- a/lib/raid/raid6/arm/recov_neon.c
+++ b/lib/raid/raid6/arm/recov_neon.c
@@ -29,10 +29,10 @@ static void raid6_2data_recov_neon(int disks, size_t bytes, int faila,
* delta p and delta q
*/
dp = (u8 *)ptrs[faila];
- ptrs[faila] = raid6_get_zero_page();
+ ptrs[faila] = page_address(ZERO_PAGE(0));
ptrs[disks - 2] = dp;
dq = (u8 *)ptrs[failb];
- ptrs[failb] = raid6_get_zero_page();
+ ptrs[failb] = page_address(ZERO_PAGE(0));
ptrs[disks - 1] = dq;
raid6_call.gen_syndrome(disks, bytes, ptrs);
@@ -66,7 +66,7 @@ static void raid6_datap_recov_neon(int disks, size_t bytes, int faila,
* Use the dead data page as temporary storage for delta q
*/
dq = (u8 *)ptrs[faila];
- ptrs[faila] = raid6_get_zero_page();
+ ptrs[faila] = page_address(ZERO_PAGE(0));
ptrs[disks - 1] = dq;
raid6_call.gen_syndrome(disks, bytes, ptrs);
diff --git a/lib/raid/raid6/loongarch/recov_loongarch_simd.c b/lib/raid/raid6/loongarch/recov_loongarch_simd.c
index eb3a1e79f01f7..4d45632096471 100644
--- a/lib/raid/raid6/loongarch/recov_loongarch_simd.c
+++ b/lib/raid/raid6/loongarch/recov_loongarch_simd.c
@@ -43,10 +43,10 @@ static void raid6_2data_recov_lsx(int disks, size_t bytes, int faila,
* delta p and delta q
*/
dp = (u8 *)ptrs[faila];
- ptrs[faila] = raid6_get_zero_page();
+ ptrs[faila] = page_address(ZERO_PAGE(0));
ptrs[disks - 2] = dp;
dq = (u8 *)ptrs[failb];
- ptrs[failb] = raid6_get_zero_page();
+ ptrs[failb] = page_address(ZERO_PAGE(0));
ptrs[disks - 1] = dq;
raid6_call.gen_syndrome(disks, bytes, ptrs);
@@ -198,7 +198,7 @@ static void raid6_datap_recov_lsx(int disks, size_t bytes, int faila,
* Use the dead data page as temporary storage for delta q
*/
dq = (u8 *)ptrs[faila];
- ptrs[faila] = raid6_get_zero_page();
+ ptrs[faila] = page_address(ZERO_PAGE(0));
ptrs[disks - 1] = dq;
raid6_call.gen_syndrome(disks, bytes, ptrs);
@@ -317,10 +317,10 @@ static void raid6_2data_recov_lasx(int disks, size_t bytes, int faila,
* delta p and delta q
*/
dp = (u8 *)ptrs[faila];
- ptrs[faila] = raid6_get_zero_page();
+ ptrs[faila] = page_address(ZERO_PAGE(0));
ptrs[disks - 2] = dp;
dq = (u8 *)ptrs[failb];
- ptrs[failb] = raid6_get_zero_page();
+ ptrs[failb] = page_address(ZERO_PAGE(0));
ptrs[disks - 1] = dq;
raid6_call.gen_syndrome(disks, bytes, ptrs);
@@ -437,7 +437,7 @@ static void raid6_datap_recov_lasx(int disks, size_t bytes, int faila,
* Use the dead data page as temporary storage for delta q
*/
dq = (u8 *)ptrs[faila];
- ptrs[faila] = raid6_get_zero_page();
+ ptrs[faila] = page_address(ZERO_PAGE(0));
ptrs[disks - 1] = dq;
raid6_call.gen_syndrome(disks, bytes, ptrs);
diff --git a/lib/raid/raid6/recov.c b/lib/raid/raid6/recov.c
index 8d113196632ed..211e1df289633 100644
--- a/lib/raid/raid6/recov.c
+++ b/lib/raid/raid6/recov.c
@@ -31,10 +31,10 @@ static void raid6_2data_recov_intx1(int disks, size_t bytes, int faila,
Use the dead data pages as temporary storage for
delta p and delta q */
dp = (u8 *)ptrs[faila];
- ptrs[faila] = raid6_get_zero_page();
+ ptrs[faila] = page_address(ZERO_PAGE(0));
ptrs[disks-2] = dp;
dq = (u8 *)ptrs[failb];
- ptrs[failb] = raid6_get_zero_page();
+ ptrs[failb] = page_address(ZERO_PAGE(0));
ptrs[disks-1] = dq;
raid6_call.gen_syndrome(disks, bytes, ptrs);
@@ -72,7 +72,7 @@ static void raid6_datap_recov_intx1(int disks, size_t bytes, int faila,
/* Compute syndrome with zero for the missing data page
Use the dead data page as temporary storage for delta q */
dq = (u8 *)ptrs[faila];
- ptrs[faila] = raid6_get_zero_page();
+ ptrs[faila] = page_address(ZERO_PAGE(0));
ptrs[disks-1] = dq;
raid6_call.gen_syndrome(disks, bytes, ptrs);
diff --git a/lib/raid/raid6/riscv/recov_rvv.c b/lib/raid/raid6/riscv/recov_rvv.c
index 40c393206b6a1..f77d9c4306875 100644
--- a/lib/raid/raid6/riscv/recov_rvv.c
+++ b/lib/raid/raid6/riscv/recov_rvv.c
@@ -158,10 +158,10 @@ static void raid6_2data_recov_rvv(int disks, size_t bytes, int faila,
* delta p and delta q
*/
dp = (u8 *)ptrs[faila];
- ptrs[faila] = raid6_get_zero_page();
+ ptrs[faila] = page_address(ZERO_PAGE(0));
ptrs[disks - 2] = dp;
dq = (u8 *)ptrs[failb];
- ptrs[failb] = raid6_get_zero_page();
+ ptrs[failb] = page_address(ZERO_PAGE(0));
ptrs[disks - 1] = dq;
raid6_call.gen_syndrome(disks, bytes, ptrs);
@@ -196,7 +196,7 @@ static void raid6_datap_recov_rvv(int disks, size_t bytes, int faila,
* Use the dead data page as temporary storage for delta q
*/
dq = (u8 *)ptrs[faila];
- ptrs[faila] = raid6_get_zero_page();
+ ptrs[faila] = page_address(ZERO_PAGE(0));
ptrs[disks - 1] = dq;
raid6_call.gen_syndrome(disks, bytes, ptrs);
diff --git a/lib/raid/raid6/s390/recov_s390xc.c b/lib/raid/raid6/s390/recov_s390xc.c
index 487018f811924..0f32217b71233 100644
--- a/lib/raid/raid6/s390/recov_s390xc.c
+++ b/lib/raid/raid6/s390/recov_s390xc.c
@@ -34,10 +34,10 @@ static void raid6_2data_recov_s390xc(int disks, size_t bytes, int faila,
Use the dead data pages as temporary storage for
delta p and delta q */
dp = (u8 *)ptrs[faila];
- ptrs[faila] = raid6_get_zero_page();
+ ptrs[faila] = page_address(ZERO_PAGE(0));
ptrs[disks-2] = dp;
dq = (u8 *)ptrs[failb];
- ptrs[failb] = raid6_get_zero_page();
+ ptrs[failb] = page_address(ZERO_PAGE(0));
ptrs[disks-1] = dq;
raid6_call.gen_syndrome(disks, bytes, ptrs);
@@ -81,7 +81,7 @@ static void raid6_datap_recov_s390xc(int disks, size_t bytes, int faila,
/* Compute syndrome with zero for the missing data page
Use the dead data page as temporary storage for delta q */
dq = (u8 *)ptrs[faila];
- ptrs[faila] = raid6_get_zero_page();
+ ptrs[faila] = page_address(ZERO_PAGE(0));
ptrs[disks-1] = dq;
raid6_call.gen_syndrome(disks, bytes, ptrs);
diff --git a/lib/raid/raid6/x86/recov_avx2.c b/lib/raid/raid6/x86/recov_avx2.c
index 19fbd9c4dce63..325310c81e1c3 100644
--- a/lib/raid/raid6/x86/recov_avx2.c
+++ b/lib/raid/raid6/x86/recov_avx2.c
@@ -28,10 +28,10 @@ static void raid6_2data_recov_avx2(int disks, size_t bytes, int faila,
Use the dead data pages as temporary storage for
delta p and delta q */
dp = (u8 *)ptrs[faila];
- ptrs[faila] = raid6_get_zero_page();
+ ptrs[faila] = page_address(ZERO_PAGE(0));
ptrs[disks-2] = dp;
dq = (u8 *)ptrs[failb];
- ptrs[failb] = raid6_get_zero_page();
+ ptrs[failb] = page_address(ZERO_PAGE(0));
ptrs[disks-1] = dq;
raid6_call.gen_syndrome(disks, bytes, ptrs);
@@ -196,7 +196,7 @@ static void raid6_datap_recov_avx2(int disks, size_t bytes, int faila,
/* Compute syndrome with zero for the missing data page
Use the dead data page as temporary storage for delta q */
dq = (u8 *)ptrs[faila];
- ptrs[faila] = raid6_get_zero_page();
+ ptrs[faila] = page_address(ZERO_PAGE(0));
ptrs[disks-1] = dq;
raid6_call.gen_syndrome(disks, bytes, ptrs);
diff --git a/lib/raid/raid6/x86/recov_avx512.c b/lib/raid/raid6/x86/recov_avx512.c
index 143f4976b2ade..08de77fcb8bd7 100644
--- a/lib/raid/raid6/x86/recov_avx512.c
+++ b/lib/raid/raid6/x86/recov_avx512.c
@@ -37,10 +37,10 @@ static void raid6_2data_recov_avx512(int disks, size_t bytes, int faila,
*/
dp = (u8 *)ptrs[faila];
- ptrs[faila] = raid6_get_zero_page();
+ ptrs[faila] = page_address(ZERO_PAGE(0));
ptrs[disks-2] = dp;
dq = (u8 *)ptrs[failb];
- ptrs[failb] = raid6_get_zero_page();
+ ptrs[failb] = page_address(ZERO_PAGE(0));
ptrs[disks-1] = dq;
raid6_call.gen_syndrome(disks, bytes, ptrs);
@@ -238,7 +238,7 @@ static void raid6_datap_recov_avx512(int disks, size_t bytes, int faila,
*/
dq = (u8 *)ptrs[faila];
- ptrs[faila] = raid6_get_zero_page();
+ ptrs[faila] = page_address(ZERO_PAGE(0));
ptrs[disks-1] = dq;
raid6_call.gen_syndrome(disks, bytes, ptrs);
diff --git a/lib/raid/raid6/x86/recov_ssse3.c b/lib/raid/raid6/x86/recov_ssse3.c
index 146cdbf465bd7..002bef1e0847a 100644
--- a/lib/raid/raid6/x86/recov_ssse3.c
+++ b/lib/raid/raid6/x86/recov_ssse3.c
@@ -30,10 +30,10 @@ static void raid6_2data_recov_ssse3(int disks, size_t bytes, int faila,
Use the dead data pages as temporary storage for
delta p and delta q */
dp = (u8 *)ptrs[faila];
- ptrs[faila] = raid6_get_zero_page();
+ ptrs[faila] = page_address(ZERO_PAGE(0));
ptrs[disks-2] = dp;
dq = (u8 *)ptrs[failb];
- ptrs[failb] = raid6_get_zero_page();
+ ptrs[failb] = page_address(ZERO_PAGE(0));
ptrs[disks-1] = dq;
raid6_call.gen_syndrome(disks, bytes, ptrs);
@@ -203,7 +203,7 @@ static void raid6_datap_recov_ssse3(int disks, size_t bytes, int faila,
/* Compute syndrome with zero for the missing data page
Use the dead data page as temporary storage for delta q */
dq = (u8 *)ptrs[faila];
- ptrs[faila] = raid6_get_zero_page();
+ ptrs[faila] = page_address(ZERO_PAGE(0));
ptrs[disks-1] = dq;
raid6_call.gen_syndrome(disks, bytes, ptrs);
generated by cgit 1.3-korg (git 2.53.0) at 2026-06-01 04:02:29 +0000