diff options
Diffstat (limited to 'arch/powerpc/platforms/pseries/rtas-fadump.h')
| -rw-r--r-- | arch/powerpc/platforms/pseries/rtas-fadump.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/pseries/rtas-fadump.h b/arch/powerpc/platforms/pseries/rtas-fadump.h index 531f3f3e42b3..6602ff69e10d 100644 --- a/arch/powerpc/platforms/pseries/rtas-fadump.h +++ b/arch/powerpc/platforms/pseries/rtas-fadump.h @@ -9,6 +9,15 @@ #ifndef _PSERIES_RTAS_FADUMP_H #define _PSERIES_RTAS_FADUMP_H +/* + * On some Power systems where RMO is 128MB, it still requires minimum of + * 256MB for kernel to boot successfully. When kdump infrastructure is + * configured to save vmcore over network, we run into OOM issue while + * loading modules related to network setup. Hence we need additional 64M + * of memory to avoid OOM issue. + */ +#define RTAS_FADUMP_MIN_BOOT_MEM ((0x1UL << 28) + (0x1UL << 26)) + /* Firmware provided dump sections */ #define RTAS_FADUMP_CPU_STATE_DATA 0x0001 #define RTAS_FADUMP_HPTE_REGION 0x0002 |