On Mon, Nov 12, 2018 at 11:37:46AM +0530, Arun KS wrote: > +++ b/arch/um/kernel/mem.c > @@ -51,8 +51,7 @@ void __init mem_init(void) > > /* this will put all low memory onto the freelists */ > memblock_free_all(); > - max_low_pfn = totalram_pages; > - max_pfn = totalram_pages; > + max_pfn = max_low_pfn = totalram_pages; We don't normally do "a = b = c". How about: max_low_pfn = totalram_pages; - max_pfn = totalram_pages; + max_pfn = max_low_pfn; > +++ b/arch/x86/kernel/cpu/microcode/core.c > @@ -434,9 +434,10 @@ static ssize_t microcode_write(struct file *file, const char __user *buf, > size_t len, loff_t *ppos) > { > ssize_t ret = -EINVAL; > + unsigned long totalram_pgs = totalram_pages; Can't we use a better variable name here? Even nr_pages would look better to me. > +++ b/drivers/hv/hv_balloon.c > + unsigned long totalram_pgs = totalram_pages; Ditto > +++ b/fs/file_table.c > + unsigned long totalram_pgs = totalram_pages; ... throughout, I guess.