| UNMAP_KERNEL_RANGE_N(9) | Memory Management in Linux | UNMAP_KERNEL_RANGE_N(9) |
NAME¶
unmap_kernel_range_noflush - unmap kernel VM area
SYNOPSIS¶
void unmap_kernel_range_noflush(unsigned long addr, unsigned long size);
ARGUMENTS¶
addr
start of the VM area to unmap
size
size of the VM area to unmap
DESCRIPTION¶
Unmap PFN_UP(size) pages at addr. The VM area addr and size specify should have been allocated using get_vm_area and its friends.
NOTE¶
This function does NOT do any cache flushing. The caller is responsible for calling flush_cache_vunmap on to-be-mapped areas before calling this function and flush_tlb_kernel_range after.
COPYRIGHT¶
| May 2024 | Kernel Hackers Manual 2.6. |