On Fri, Jan 31, 2020 at 01:18:00AM +0300, Dmitry Osipenko wrote: >29.01.2020 03:26, Wei Yang пишет: >> move_page_tables() tries to move page table by PMD or PTE. >> >> The root reason is if it tries to move PMD, both old and new range should >> be PMD aligned. But current code calculate old range and new range >> separately. This leads to some redundant check and calculation. >> >> This cleanup tries to consolidate the range check in one place to reduce >> some extra range handling. >> >> v2: >> * remove 3rd patch which doesn't work on ARM platform. Thanks report from >> Dmitry Osipenko >> >> Wei Yang (4): >> mm/mremap: format the check in move_normal_pmd() same as >> move_huge_pmd() >> mm/mremap: it is sure to have enough space when extent meets >> requirement >> mm/mremap: calculate extent in one place >> mm/mremap: start addresses are properly aligned >> >> include/linux/huge_mm.h | 2 +- >> mm/huge_memory.c | 8 +------- >> mm/mremap.c | 17 ++++++----------- >> 3 files changed, 8 insertions(+), 19 deletions(-) >> > >Hello Wei, > >I haven't noticed any problems using the v2. Thank you very much for >addressing the problem! > Glad to hear this. Actually, really thanks for your patience on testing and reporting the problem. Have a nice day :-) >Tested-by: Dmitry Osipenko <digetx@xxxxxxxxx> -- Wei Yang Help you, Help me
