On Tue, 1 Jul 2014, Davidlohr Bueso wrote: > When returning from hugetlb_cow(), we always (1) put back the refcount > for each referenced page -- always 'old', and 'new' if allocation was > successful. And (2) retake the page table lock right before returning, > as the callers expects. This logic can be simplified and encapsulated, > as proposed in this patch. In addition to cleaner code, we also shave > a few bytes off in instruction text: > > text data bss dec hex filename > 28399 462 41328 70189 1122d mm/hugetlb.o-baseline > 28367 462 41328 70157 1120d mm/hugetlb.o-patched > > Passes libhugetlbfs testcases. > > Signed-off-by: Davidlohr Bueso <davidlohr@xxxxxx> Acked-by: David Rientjes <rientjes@xxxxxxxxxx> Not sure the extra indirection is clearer code, but I can't argue with the difference in object size. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>