On 2014/11/12 11:16, Yasuaki Ishimatsu wrote: > (2014/11/11 18:13), Zhang Zhen wrote: >> The start_pfn can be obtained directly by >> phys_index << PFN_SECTION_SHIFT. >> >> Signed-off-by: Zhang Zhen <zhenzhang.zhang@xxxxxxxxxx> >> --- > > The patch looks good to me but I want you to write a purpose of the patch > to the description for other reviewer. > > Thanks, > Yasuaki Ishimatsu > Ok, thanks for your review. >> drivers/base/memory.c | 4 ++-- >> 1 file changed, 2 insertions(+), 2 deletions(-) >> >> diff --git a/drivers/base/memory.c b/drivers/base/memory.c >> index 7c5d871..85be040 100644 >> --- a/drivers/base/memory.c >> +++ b/drivers/base/memory.c >> @@ -228,8 +228,8 @@ memory_block_action(unsigned long phys_index, unsigned long action, int online_t >> struct page *first_page; >> int ret; >> >> - first_page = pfn_to_page(phys_index << PFN_SECTION_SHIFT); >> - start_pfn = page_to_pfn(first_page); >> + start_pfn = phys_index << PFN_SECTION_SHIFT; >> + first_page = pfn_to_page(start_pfn); >> >> switch (action) { >> case MEM_ONLINE: >> > > > > -- 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>