powerpc/drmem: Make lmb_size 64 bit

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>

diff --git a/arch/powerpc/include/asm/drmem.h b/arch/powerpc/include/asm/drmem.h
index 030a19d9221322fa11a9c5ea7ac60376f3241a7c..bf2402fed3e03496d2bab2e8314418dd8c76a5a6 100644 (file)
--- 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;
 }