From: Christoph Hellwig hch@lst.de
mainline inclusion from mainline-v5.8-rc1 commit 4926627793c0a7e7db2bc674e1d06777e86d8dab category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I4EUVI CVE: NA
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Switch the two remaining callers to use __get_vm_area_caller instead.
Signed-off-by: Christoph Hellwig hch@lst.de Signed-off-by: Andrew Morton akpm@linux-foundation.org Acked-by: Peter Zijlstra (Intel) peterz@infradead.org Cc: Christian Borntraeger borntraeger@de.ibm.com Cc: Christophe Leroy christophe.leroy@c-s.fr Cc: Daniel Vetter daniel.vetter@ffwll.ch Cc: David Airlie airlied@linux.ie Cc: Gao Xiang xiang@kernel.org Cc: Greg Kroah-Hartman gregkh@linuxfoundation.org Cc: Haiyang Zhang haiyangz@microsoft.com Cc: Johannes Weiner hannes@cmpxchg.org Cc: "K. Y. Srinivasan" kys@microsoft.com Cc: Laura Abbott labbott@redhat.com Cc: Mark Rutland mark.rutland@arm.com Cc: Michael Kelley mikelley@microsoft.com Cc: Minchan Kim minchan@kernel.org Cc: Nitin Gupta ngupta@vflare.org Cc: Robin Murphy robin.murphy@arm.com Cc: Sakari Ailus sakari.ailus@linux.intel.com Cc: Stephen Hemminger sthemmin@microsoft.com Cc: Sumit Semwal sumit.semwal@linaro.org Cc: Wei Liu wei.liu@kernel.org Cc: Benjamin Herrenschmidt benh@kernel.crashing.org Cc: Catalin Marinas catalin.marinas@arm.com Cc: Heiko Carstens heiko.carstens@de.ibm.com Cc: Paul Mackerras paulus@ozlabs.org Cc: Vasily Gorbik gor@linux.ibm.com Cc: Will Deacon will@kernel.org Link: http://lkml.kernel.org/r/20200414131348.444715-9-hch@lst.de Signed-off-by: Linus Torvalds torvalds@linux-foundation.org Signed-off-by: Rui Xiang rui.xiang@huawei.com Reviewed-by: Ding Tianhong dingtianhong@huawei.com Reviewed-by: Zefan Li lizefan@huawei.com Signed-off-by: Yang Yingliang yangyingliang@huawei.com --- arch/powerpc/kernel/pci_64.c | 3 ++- arch/sh/kernel/cpu/sh4/sq.c | 3 ++- include/linux/vmalloc.h | 2 -- mm/vmalloc.c | 8 -------- 4 files changed, 4 insertions(+), 12 deletions(-)
diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c index dff28f9035124..ac956dfdbbde6 100644 --- a/arch/powerpc/kernel/pci_64.c +++ b/arch/powerpc/kernel/pci_64.c @@ -144,7 +144,8 @@ static int pcibios_map_phb_io_space(struct pci_controller *hose) * with incomplete address decoding but I'd rather not deal with * those outside of the reserved 64K legacy region. */ - area = __get_vm_area(size_page, 0, PHB_IO_BASE, PHB_IO_END); + area = __get_vm_area_caller(size_page, 0, PHB_IO_BASE, PHB_IO_END, + __builtin_return_address(0)); if (area == NULL) return -ENOMEM; hose->io_base_alloc = area->addr; diff --git a/arch/sh/kernel/cpu/sh4/sq.c b/arch/sh/kernel/cpu/sh4/sq.c index 4ca78ed71ad2c..fb97dab3bad7d 100644 --- a/arch/sh/kernel/cpu/sh4/sq.c +++ b/arch/sh/kernel/cpu/sh4/sq.c @@ -106,7 +106,8 @@ static int __sq_remap(struct sq_mapping *map, pgprot_t prot) #if defined(CONFIG_MMU) struct vm_struct *vma;
- vma = __get_vm_area(map->size, VM_ALLOC, map->sq_addr, SQ_ADDRMAX); + vma = __get_vm_area_caller(map->size, VM_ALLOC, map->sq_addr, + SQ_ADDRMAX, __builtin_return_address(0)); if (!vma) return -ENOMEM;
diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h index ab60c69a40975..b789a8fd51381 100644 --- a/include/linux/vmalloc.h +++ b/include/linux/vmalloc.h @@ -133,8 +133,6 @@ static inline size_t get_vm_area_size(const struct vm_struct *area) extern struct vm_struct *get_vm_area(unsigned long size, unsigned long flags); extern struct vm_struct *get_vm_area_caller(unsigned long size, unsigned long flags, const void *caller); -extern struct vm_struct *__get_vm_area(unsigned long size, unsigned long flags, - unsigned long start, unsigned long end); extern struct vm_struct *__get_vm_area_caller(unsigned long size, unsigned long flags, unsigned long start, unsigned long end, diff --git a/mm/vmalloc.c b/mm/vmalloc.c index c42d784f03b8f..57ab4726aeb34 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -2000,14 +2000,6 @@ static struct vm_struct *__get_vm_area_node(unsigned long size, return area; }
-struct vm_struct *__get_vm_area(unsigned long size, unsigned long flags, - unsigned long start, unsigned long end) -{ - return __get_vm_area_node(size, 1, flags, start, end, NUMA_NO_NODE, - GFP_KERNEL, __builtin_return_address(0)); -} -EXPORT_SYMBOL_GPL(__get_vm_area); - struct vm_struct *__get_vm_area_caller(unsigned long size, unsigned long flags, unsigned long start, unsigned long end, const void *caller)