[PATCH v2] kexec: Increase the upper limit for RAM segments

Sameer Goel sgoel at codeaurora.org
Fri Nov 11 14:21:11 PST 2016


On a newer UEFI based Qualcomm target the number of system ram regions
retrieved from /proc/iomem are ~40. So increasing the current hardcoded
values to 64 from 16.

Signed-off-by: Sameer Goel <sgoel at codeaurora.org>
---
 kexec/arch/arm64/kexec-arm64.h | 2 +-
 kexec/kexec-syscall.h          | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/kexec/arch/arm64/kexec-arm64.h b/kexec/arch/arm64/kexec-arm64.h
index bac62f8..bd4c20e 100644
--- a/kexec/arch/arm64/kexec-arm64.h
+++ b/kexec/arch/arm64/kexec-arm64.h
@@ -11,7 +11,7 @@
 #include "image-header.h"
 #include "kexec.h"
 
-#define KEXEC_SEGMENT_MAX 16
+#define KEXEC_SEGMENT_MAX 64
 
 #define BOOT_BLOCK_VERSION 17
 #define BOOT_BLOCK_LAST_COMP_VERSION 16
diff --git a/kexec/kexec-syscall.h b/kexec/kexec-syscall.h
index c0d0bea..f84c937 100644
--- a/kexec/kexec-syscall.h
+++ b/kexec/kexec-syscall.h
@@ -115,7 +115,7 @@ static inline long kexec_file_load(int kernel_fd, int initrd_fd,
 #define KEXEC_ARCH_MIPS    ( 8 << 16)
 #define KEXEC_ARCH_CRIS    (76 << 16)
 
-#define KEXEC_MAX_SEGMENTS 16
+#define KEXEC_MAX_SEGMENTS 64
 
 #ifdef __i386__
 #define KEXEC_ARCH_NATIVE	KEXEC_ARCH_386
-- 
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