On Tue, Jul 07, 2020 at 03:18:54PM +0530, Anshuman Khandual wrote: > > > On 07/07/2020 02:43 PM, Tian Tao wrote: > > It is not possible to increase size with vmalloc=<size> in arm64 > > architecture and it will mislead.however vmalloc return failure > > is a rare occurrence in 'many architectures including arm64'. > > But there is a chance that vmalloc() might work on architectures > that support 'vmalloc=' command line i.e after a change and this > information here might be helpful in those cases. > Agree. At least i see a few users of it: <snip> urezki@pc638:~/data/coding/linux-next.git$ grep -rn early_param ./arch/ | grep vmalloc ./arch/arm/mm/mmu.c:1152:early_param("vmalloc", early_vmalloc); ./arch/unicore32/mm/mmu.c:276:early_param("vmalloc", early_vmalloc); ./arch/x86/mm/pgtable_32.c:86:early_param("vmalloc", parse_vmalloc); urezki@pc638:~/data/coding/linux-next.git$ <snip> Thanks! -- Vlad Rezki