From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Morton Subject: + mm-rename-vmap_page_range-to-map_kernel_range.patch added to -mm tree Date: Tue, 14 Apr 2020 21:47:24 -0700 Message-ID: <20200415044724.l3acneLCw%akpm@linux-foundation.org> References: <20200412004155.1a8f4e081b4e03ef5903abb5@linux-foundation.org> Reply-To: linux-kernel@vger.kernel.org Return-path: Received: from mail.kernel.org ([198.145.29.99]:39242 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2393123AbgDOEr2 (ORCPT ); Wed, 15 Apr 2020 00:47:28 -0400 In-Reply-To: <20200412004155.1a8f4e081b4e03ef5903abb5@linux-foundation.org> Sender: mm-commits-owner@vger.kernel.org List-Id: mm-commits@vger.kernel.org To: airlied@linux.ie, benh@kernel.crashing.org, borntraeger@de.ibm.com, catalin.marinas@arm.com, christophe.leroy@c-s.fr, daniel.vetter@ffwll.ch, daniel@ffwll.ch, gor@linux.ibm.com, gregkh@linuxfoundation.org, haiyangz@microsoft.com, hannes@cmpxchg.org, hch@lst.de, heiko.carstens@de.ibm.com, kys@microsoft.com, labbott@redhat.com, mark.rutland@arm.com, mikelley@microsoft.com, minchan@kernel.org, mm-commits@vger.kernel.org, ngupta@vflare.org, paulus@ozlabs.org, peterz@infradead.org, robin.murphy@arm.com, sakari.ailus@linux.intel.com, sthemmin@microsoft.com, sumit.semwal@linaro.org, wei.liu@kernel.org, will@kernel.org, xiang@kernel.org The patch titled Subject: mm: rename vmap_page_range to map_kernel_range has been added to the -mm tree. Its filename is mm-rename-vmap_page_range-to-map_kernel_range.patch This patch should soon appear at http://ozlabs.org/~akpm/mmots/broken-out/mm-rename-vmap_page_range-to-map_kernel_range.patch and later at http://ozlabs.org/~akpm/mmotm/broken-out/mm-rename-vmap_page_range-to-map_kernel_range.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Christoph Hellwig Subject: mm: rename vmap_page_range to map_kernel_range This matches the map_kernel_range_noflush API. Also change to pass a size instead of the end, similar to the noflush version. Link: http://lkml.kernel.org/r/20200414131348.444715-15-hch@lst.de Signed-off-by: Christoph Hellwig Acked-by: Peter Zijlstra (Intel) Cc: Christian Borntraeger Cc: Christophe Leroy Cc: Daniel Vetter Cc: Daniel Vetter Cc: David Airlie Cc: Gao Xiang Cc: Greg Kroah-Hartman Cc: Haiyang Zhang Cc: Johannes Weiner Cc: "K. Y. Srinivasan" Cc: Laura Abbott Cc: Mark Rutland Cc: Michael Kelley Cc: Minchan Kim Cc: Nitin Gupta Cc: Robin Murphy Cc: Sakari Ailus Cc: Stephen Hemminger Cc: Sumit Semwal Cc: Wei Liu Cc: Benjamin Herrenschmidt Cc: Catalin Marinas Cc: Heiko Carstens Cc: Paul Mackerras Cc: Vasily Gorbik Cc: Will Deacon Signed-off-by: Andrew Morton --- mm/vmalloc.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) --- a/mm/vmalloc.c~mm-rename-vmap_page_range-to-map_kernel_range +++ a/mm/vmalloc.c @@ -272,13 +272,13 @@ int map_kernel_range_noflush(unsigned lo return nr; } -static int vmap_page_range(unsigned long start, unsigned long end, +static int map_kernel_range(unsigned long start, unsigned long size, pgprot_t prot, struct page **pages) { int ret; - ret = map_kernel_range_noflush(start, end - start, prot, pages); - flush_cache_vmap(start, end); + ret = map_kernel_range_noflush(start, size, prot, pages); + flush_cache_vmap(start, start + size); return ret; } @@ -1866,7 +1866,7 @@ void *vm_map_ram(struct page **pages, un kasan_unpoison_vmalloc(mem, size); - if (vmap_page_range(addr, addr + size, prot, pages) < 0) { + if (map_kernel_range(addr, size, prot, pages) < 0) { vm_unmap_ram(mem, count); return NULL; } @@ -2030,10 +2030,9 @@ void unmap_kernel_range(unsigned long ad int map_vm_area(struct vm_struct *area, pgprot_t prot, struct page **pages) { unsigned long addr = (unsigned long)area->addr; - unsigned long end = addr + get_vm_area_size(area); int err; - err = vmap_page_range(addr, end, prot, pages); + err = map_kernel_range(addr, get_vm_area_size(area), prot, pages); return err > 0 ? 0 : err; } _ Patches currently in -mm which might be from hch@lst.de are x86-hyperv-use-vmalloc_exec-for-the-hypercall-page.patch x86-fix-vmap-arguments-in-map_irq_stack.patch staging-android-ion-use-vmap-instead-of-vm_map_ram.patch staging-media-ipu3-use-vmap-instead-of-reimplementing-it.patch dma-mapping-use-vmap-insted-of-reimplementing-it.patch powerpc-add-an-ioremap_phb-helper.patch powerpc-remove-__ioremap_at-and-__iounmap_at.patch mm-remove-__get_vm_area.patch mm-unexport-unmap_kernel_range_noflush.patch mm-rename-config_pgtable_mapping-to-config_zsmalloc_pgtable_mapping.patch mm-only-allow-page-table-mappings-for-built-in-zsmalloc.patch mm-pass-addr-as-unsigned-long-to-vb_free.patch mm-remove-vmap_page_range_noflush-and-vunmap_page_range.patch mm-rename-vmap_page_range-to-map_kernel_range.patch mm-dont-return-the-number-of-pages-from-map_kernel_range_noflush.patch mm-remove-map_vm_range.patch mm-remove-unmap_vmap_area.patch mm-remove-the-prot-argument-from-vm_map_ram.patch mm-enforce-that-vmap-cant-map-pages-executable.patch gpu-drm-remove-the-powerpc-hack-in-drm_legacy_sg_alloc.patch mm-remove-the-pgprot-argument-to-__vmalloc.patch mm-remove-the-prot-argument-to-__vmalloc_node.patch mm-remove-both-instances-of-__vmalloc_node_flags.patch mm-remove-__vmalloc_node_flags_caller.patch mm-switch-the-test_vmalloc-module-to-use-__vmalloc_node.patch mm-remove-vmalloc_user_node_flags.patch arm64-use-__vmalloc_node-in-arch_alloc_vmap_stack.patch powerpc-use-__vmalloc_node-in-alloc_vm_stack.patch s390-use-__vmalloc_node-in-stack_alloc.patch