1UNMAP_KERNEL_RANGE_N(9)   Memory Management in Linux   UNMAP_KERNEL_RANGE_N(9)
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NAME

6       unmap_kernel_range_noflush - unmap kernel VM area
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SYNOPSIS

9       void unmap_kernel_range_noflush(unsigned long addr,
10                                       unsigned long size);
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ARGUMENTS

13       addr
14           start of the VM area to unmap
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16       size
17           size of the VM area to unmap
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DESCRIPTION

20       Unmap PFN_UP(size) pages at addr. The VM area addr and size specify
21       should have been allocated using get_vm_area and its friends.
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NOTE

24       This function does NOT do any cache flushing. The caller is responsible
25       for calling flush_cache_vunmap on to-be-mapped areas before calling
26       this function and flush_tlb_kernel_range after.
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29Kernel Hackers Manual 3.10         June 2019           UNMAP_KERNEL_RANGE_N(9)
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