From: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx> Subject: mm: nommu: kill arch_get_unmapped_area() When nommu, the arch_get_unmapped_area() will not be called, just kill it. Link: https://lkml.kernel.org/r/20210910061906.36299-1-wangkefeng.wang@xxxxxxxxxx Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/nommu.c | 6 ------ 1 file changed, 6 deletions(-) --- a/mm/nommu.c~mm-nommu-kill-arch_get_unmapped_area +++ a/mm/nommu.c @@ -1639,12 +1639,6 @@ int remap_vmalloc_range(struct vm_area_s } EXPORT_SYMBOL(remap_vmalloc_range); -unsigned long arch_get_unmapped_area(struct file *file, unsigned long addr, - unsigned long len, unsigned long pgoff, unsigned long flags) -{ - return -ENOMEM; -} - vm_fault_t filemap_fault(struct vm_fault *vmf) { BUG(); _