From: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
To: linuxppc-dev@lists.ozlabs.org, mpe@ellerman.id.au
Cc: nathanl@linux.ibm.com,
"Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>,
stable@vger.kernel.org
Subject: [PATCH v3 1/4] powerpc/drmem: Make lmb_size 64 bit
Date: Wed, 7 Oct 2020 17:18:33 +0530 [thread overview]
Message-ID: <20201007114836.282468-2-aneesh.kumar@linux.ibm.com> (raw)
In-Reply-To: <20201007114836.282468-1-aneesh.kumar@linux.ibm.com>
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
Acked-by: Nathan Lynch <nathanl@linux.ibm.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
---
arch/powerpc/include/asm/drmem.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/include/asm/drmem.h b/arch/powerpc/include/asm/drmem.h
index 030a19d92213..bf2402fed3e0 100644
--- 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;
}
--
2.26.2
next prev parent reply other threads:[~2020-10-07 11:54 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-07 11:48 [PATCH v3 0/4] Enable usage of larger LMB ( > 4G) Aneesh Kumar K.V
2020-10-07 11:48 ` Aneesh Kumar K.V [this message]
2020-10-07 11:48 ` [PATCH v3 2/4] powerpc/memhotplug: Make lmb size 64bit Aneesh Kumar K.V
2020-10-07 11:48 ` [PATCH v3 3/4] powerpc/book3s64/radix: Make radix_mem_block_size 64bit Aneesh Kumar K.V
2020-10-07 11:48 ` [PATCH v3 4/4] powerpc/lmb-size: Use addr #size-cells value when fetching lmb-size Aneesh Kumar K.V
2020-10-09 6:03 ` [PATCH v3 0/4] Enable usage of larger LMB ( > 4G) Michael Ellerman
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