On Tue, Jun 14, 2022 at 04:26:12PM +0800, Baoquan He wrote:
On 06/13/22 at 10:25am, Pingfan Liu wrote:
On RHEL9 and Fedora, the arm64 platform only supports 4KB page size. the reserved memory size can be aligned to that on x86_64.
Introducing a new formula for 4KB on arm64, which bases on x86_64 plus extra 64MB.
Signed-off-by: Pingfan Liu piliu@redhat.com
This looks good to me after discussing with Pingfan. We can take the value from x86 and plus 64M, may tune in the future if needed.
Acked-by: Baoquan He bhe@redhat.com
v1 -> v2: drop page_size == 64K branch
kdump-lib.sh | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/kdump-lib.sh b/kdump-lib.sh index b137c89..6914d43 100755 --- a/kdump-lib.sh +++ b/kdump-lib.sh @@ -853,7 +853,8 @@ kdump_get_arch_recommend_crashkernel() if [[ $_arch == "x86_64" ]] || [[ $_arch == "s390x" ]]; then _ck_cmdline="1G-4G:192M,4G-64G:256M,64G-:512M" elif [[ $_arch == "aarch64" ]]; then
_ck_cmdline="2G-:448M"
# For 4KB page size, the formula is based on x86 plus extra = 64M_ck_cmdline="1G-4G:256M,4G-64G:320M,64G-:576M"
Patch applied with adjusted alignment, thanks to Pingfan and Baoquan.
elif [[ $_arch == "ppc64le" ]]; then if [[ $_dump_mode == "fadump" ]]; then _ck_cmdline="4G-16G:768M,16G-64G:1G,64G-128G:2G,128G-1T:4G,1T-2T:6G,2T-4T:12G,4T-8T:20G,8T-16T:36G,16T-32T:64G,32T-64T:128G,64T-:180G" -- 2.31.1