From: guoren@kernel.org To: guoren@kernel.org, palmer@dabbelt.com, palmer@rivosinc.com, heiko@sntech.de, arnd@arndb.de, songmuchun@bytedance.com, catalin.marinas@arm.com, chenhuacai@loongson.cn, Conor.Dooley@microchip.com, paul.walmsley@sifive.com, aou@eecs.berkeley.edu Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, linux-mm@kvack.org, Guo Ren <guoren@linux.alibaba.com> Subject: [PATCH 0/2] Enable ARCH_WANT_HUGETLB_PAGE_OPTIMIZE_VMEMMAP & fixup race condition on PG_dcache_clean Date: Sun, 23 Oct 2022 09:32:03 -0400 [thread overview] Message-ID: <20221023133205.3493564-1-guoren@kernel.org> (raw) From: Guo Ren <guoren@linux.alibaba.com> The first patch fixup race condition on PG_dcache_clean which found in arm64. Then enable ARCH_WANT_HUGETLB_PAGE_OPTIMIZE_VMEMMAP and tested with simple hugetlbfs test case. # cat /proc/sys/vm/hugetlb_optimize_vmemmap 1 # echo 8 > /sys/kernel/mm/hugepages/hugepages-2048kB/nr_hugepages # mount -t hugetlbfs none test/ -o pagesize=2048k # ./myhugemap_test # umount test/ # echo 0 > /sys/kernel/mm/hugepages/hugepages-2048kB/nr_hugepages No problem found. Guo Ren (2): riscv: Fixup race condition on PG_dcache_clean in flush_icache_pte riscv: Enable ARCH_WANT_HUGETLB_PAGE_OPTIMIZE_VMEMMAP arch/riscv/Kconfig | 1 + arch/riscv/include/asm/cacheflush.h | 3 +++ arch/riscv/mm/cacheflush.c | 7 ++++++- 3 files changed, 10 insertions(+), 1 deletion(-) -- 2.36.1
WARNING: multiple messages have this Message-ID (diff)
From: guoren@kernel.org To: guoren@kernel.org, palmer@dabbelt.com, palmer@rivosinc.com, heiko@sntech.de, arnd@arndb.de, songmuchun@bytedance.com, catalin.marinas@arm.com, chenhuacai@loongson.cn, Conor.Dooley@microchip.com, paul.walmsley@sifive.com, aou@eecs.berkeley.edu Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, linux-mm@kvack.org, Guo Ren <guoren@linux.alibaba.com> Subject: [PATCH 0/2] Enable ARCH_WANT_HUGETLB_PAGE_OPTIMIZE_VMEMMAP & fixup race condition on PG_dcache_clean Date: Sun, 23 Oct 2022 09:32:03 -0400 [thread overview] Message-ID: <20221023133205.3493564-1-guoren@kernel.org> (raw) From: Guo Ren <guoren@linux.alibaba.com> The first patch fixup race condition on PG_dcache_clean which found in arm64. Then enable ARCH_WANT_HUGETLB_PAGE_OPTIMIZE_VMEMMAP and tested with simple hugetlbfs test case. # cat /proc/sys/vm/hugetlb_optimize_vmemmap 1 # echo 8 > /sys/kernel/mm/hugepages/hugepages-2048kB/nr_hugepages # mount -t hugetlbfs none test/ -o pagesize=2048k # ./myhugemap_test # umount test/ # echo 0 > /sys/kernel/mm/hugepages/hugepages-2048kB/nr_hugepages No problem found. Guo Ren (2): riscv: Fixup race condition on PG_dcache_clean in flush_icache_pte riscv: Enable ARCH_WANT_HUGETLB_PAGE_OPTIMIZE_VMEMMAP arch/riscv/Kconfig | 1 + arch/riscv/include/asm/cacheflush.h | 3 +++ arch/riscv/mm/cacheflush.c | 7 ++++++- 3 files changed, 10 insertions(+), 1 deletion(-) -- 2.36.1 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv
next reply other threads:[~2022-10-23 13:33 UTC|newest] Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-10-23 13:32 guoren [this message] 2022-10-23 13:32 ` [PATCH 0/2] Enable ARCH_WANT_HUGETLB_PAGE_OPTIMIZE_VMEMMAP & fixup race condition on PG_dcache_clean guoren 2022-10-23 13:32 ` [PATCH 1/2] riscv: Fixup race condition on PG_dcache_clean in flush_icache_pte guoren 2022-10-23 13:32 ` guoren 2022-10-23 13:32 ` [PATCH 2/2] riscv: Enable ARCH_WANT_HUGETLB_PAGE_OPTIMIZE_VMEMMAP guoren 2022-10-23 13:32 ` guoren 2022-10-24 7:07 ` Muchun Song 2022-10-24 7:07 ` Muchun Song 2022-10-24 8:02 ` Guo Ren 2022-10-24 8:02 ` Guo Ren
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