From: Aneesh Kumar K.V aneesh.kumar@linux.ibm.com
commit ec72024e35dddb88a81e40071c87ceb18b5ee835 upstream.
Similar to commit 89c140bbaeee ("pseries: Fix 64 bit logical memory block panic") make sure different variables tracking lmb_size are updated to be 64 bit.
This was found by code audit.
Cc: stable@vger.kernel.org Signed-off-by: Aneesh Kumar K.V aneesh.kumar@linux.ibm.com Acked-by: Nathan Lynch nathanl@linux.ibm.com Signed-off-by: Michael Ellerman mpe@ellerman.id.au Link: https://lore.kernel.org/r/20201007114836.282468-2-aneesh.kumar@linux.ibm.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- arch/powerpc/include/asm/drmem.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
--- a/arch/powerpc/include/asm/drmem.h +++ b/arch/powerpc/include/asm/drmem.h @@ -20,7 +20,7 @@ struct drmem_lmb { struct drmem_lmb_info { struct drmem_lmb *lmbs; int n_lmbs; - u32 lmb_size; + u64 lmb_size; };
extern struct drmem_lmb_info *drmem_info; @@ -80,7 +80,7 @@ struct of_drconf_cell_v2 { #define DRCONF_MEM_RESERVED 0x00000080 #define DRCONF_MEM_HOTREMOVABLE 0x00000100
-static inline u32 drmem_lmb_size(void) +static inline u64 drmem_lmb_size(void) { return drmem_info->lmb_size; }