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[60.241.117.97]) by smtp.gmail.com with ESMTPSA id j24sm9235610pji.20.2020.04.13.05.54.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 13 Apr 2020 05:54:15 -0700 (PDT) From: Nicholas Piggin To: linux-mm@kvack.org Subject: [PATCH v2 0/4] huge vmalloc mappings Date: Mon, 13 Apr 2020 22:52:59 +1000 Message-Id: <20200413125303.423864-1-npiggin@gmail.com> X-Mailer: git-send-email 2.23.0 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200413_055419_456771_074AB79F X-CRM114-Status: UNSURE ( 8.21 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arch@vger.kernel.org, Catalin Marinas , x86@kernel.org, linuxppc-dev@lists.ozlabs.org, Nicholas Piggin , linux-kernel@vger.kernel.org, Ingo Molnar , Borislav Petkov , "H. Peter Anvin" , Thomas Gleixner , Will Deacon , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org We can get a significant win with larger mappings for some of the big global hashes. Since RFC, relevant architectures have added p?d_leaf accessors so no real arch changes required, and I changed it not to allocate huge mappings for modules and a bunch of other fixes. Nicholas Piggin (4): mm/vmalloc: fix vmalloc_to_page for huge vmap mappings mm: Move ioremap page table mapping function to mm/ mm: HUGE_VMAP arch query functions cleanup mm/vmalloc: Hugepage vmalloc mappings arch/arm64/mm/mmu.c | 8 +- arch/powerpc/mm/book3s64/radix_pgtable.c | 6 +- arch/x86/mm/ioremap.c | 6 +- include/linux/io.h | 3 - include/linux/vmalloc.h | 15 + lib/ioremap.c | 203 +---------- mm/vmalloc.c | 413 +++++++++++++++++++---- 7 files changed, 380 insertions(+), 274 deletions(-) -- 2.23.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel