It was EXPORT_SYMBOL_GPL(), however IBM's GPFS is not GPL. - the GPFS team contributed to the testing and development of invaldiate_mmap_range(). - GPFS was developed under AIX and was ported to Linux, and hence meets Linus's "some binary modules are OK" exemption. - The export makes sense: clustering filesystems need it for shootdowns to ensure cache coherency. 25-akpm/mm/memory.c | 2 +- 1 files changed, 1 insertion(+), 1 deletion(-) diff -puN mm/memory.c~invalidate_mmap_range-non-gpl-export mm/memory.c --- 25/mm/memory.c~invalidate_mmap_range-non-gpl-export Mon Nov 24 11:33:19 2003 +++ 25-akpm/mm/memory.c Mon Nov 24 11:33:34 2003 @@ -1164,7 +1164,7 @@ void invalidate_mmap_range(struct addres invalidate_mmap_range_list(&mapping->i_mmap_shared, hba, hlen); up(&mapping->i_shared_sem); } -EXPORT_SYMBOL_GPL(invalidate_mmap_range); +EXPORT_SYMBOL(invalidate_mmap_range); /* * Handle all mappings that got truncated by a "truncate()" _