On Fri, Sep 18, 2020 at 05:06:37PM +0800, chenzhou wrote: > On 2020/9/18 16:59, chenzhou wrote: > > On 2020/9/18 15:25, Baoquan He wrote: > >> On 09/07/20 at 09:47pm, Chen Zhou wrote: > >>> To make the functions reserve_crashkernel[_low]() as generic, > >>> replace some hard-coded numbers with macro CRASH_ADDR_LOW_MAX. > >>> > >>> Signed-off-by: Chen Zhou <chenzhou10@xxxxxxxxxx> > >>> --- > >>> arch/x86/kernel/setup.c | 11 ++++++----- > >>> 1 file changed, 6 insertions(+), 5 deletions(-) > >>> > >>> diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c > >>> index d7fd90c52dae..71a6a6e7ca5b 100644 > >>> --- a/arch/x86/kernel/setup.c > >>> +++ b/arch/x86/kernel/setup.c > >>> @@ -430,7 +430,7 @@ static int __init reserve_crashkernel_low(void) > >>> unsigned long total_low_mem; > >>> int ret; > >>> > >>> - total_low_mem = memblock_mem_size(1UL << (32 - PAGE_SHIFT)); > >>> + total_low_mem = memblock_mem_size(CRASH_ADDR_LOW_MAX >> PAGE_SHIFT); > >> Just note that the replacement has been done in another patch from Mike > >> Rapoport, partially. He seems to have done reserve_crashkernel_low() > >> part, there's one left in reserve_crashkernel(), you might want to check > >> that. > >> > >> Mike's patch which is from a patchset has been merged into Andrew's next > >> tree. > >> > >> commit 6e50f7672ffa362e9bd4bc0c0d2524ed872828c5 > >> Author: Mike Rapoport <rppt@xxxxxxxxxxxxx> > >> Date: Wed Aug 26 15:22:32 2020 +1000 > >> > >> x86/setup: simplify reserve_crashkernel() > As Baoquan said, some functions have been changed in the next tree, > if i need to rebase on top of the next tree. Please rebase at 5.10-rc1 when the x86 change will probably be in and aim to queue this series for 5.11. Thanks. -- Catalin