[PATCH 7/8] Use __kernel_ulong_t in shmid64_ds/shminfo64/shm_info
Both x32 and x86-64 use the same struct shmid64_ds/shminfo64/shm_info for
system calls. But x32 long is 32-bit. This patch replaces unsigned long
with __kernel_ulong_t in struct shmid64_ds/shminfo64/shm_info.
Signed-off-by: H.J. Lu
---
include/uapi/asm-generic/shmbuf.h | 24
include/uapi/linux/shm.h | 10 +-
2 files changed, 17 insertions(+), 17 deletions(-)
diff --git a/include/uapi/asm-generic/shmbuf.h
b/include/uapi/asm-generic/shmbuf.h
index 5768fa6..7e9fb2f 100644
--- a/include/uapi/asm-generic/shmbuf.h
+++ b/include/uapi/asm-generic/shmbuf.h
@@ -39,21 +39,21 @@ struct shmid64_ds {
#endif
__kernel_pid_t shm_cpid; /* pid of creator */
__kernel_pid_t shm_lpid; /* pid of last operator */
- unsigned long shm_nattch; /* no. of current attaches */
- unsigned long __unused4;
- unsigned long __unused5;
+ __kernel_ulong_tshm_nattch; /* no. of current attaches */
+ __kernel_ulong_t__unused4;
+ __kernel_ulong_t__unused5;
};
struct shminfo64 {
- unsigned long shmmax;
- unsigned long shmmin;
- unsigned long shmmni;
- unsigned long shmseg;
- unsigned long shmall;
- unsigned long __unused1;
- unsigned long __unused2;
- unsigned long __unused3;
- unsigned long __unused4;
+ __kernel_ulong_tshmmax;
+ __kernel_ulong_tshmmin;
+ __kernel_ulong_tshmmni;
+ __kernel_ulong_tshmseg;
+ __kernel_ulong_tshmall;
+ __kernel_ulong_t__unused1;
+ __kernel_ulong_t__unused2;
+ __kernel_ulong_t__unused3;
+ __kernel_ulong_t__unused4;
};
#endif /* __ASM_GENERIC_SHMBUF_H */
diff --git a/include/uapi/linux/shm.h b/include/uapi/linux/shm.h
index ec36fa1..78b6941 100644
--- a/include/uapi/linux/shm.h
+++ b/include/uapi/linux/shm.h
@@ -68,11 +68,11 @@ struct shminfo {
struct shm_info {
int used_ids;
- unsigned long shm_tot; /* total allocated shm */
- unsigned long shm_rss; /* total resident shm */
- unsigned long shm_swp; /* total swapped shm */
- unsigned long swap_attempts;
- unsigned long swap_successes;
+ __kernel_ulong_t shm_tot; /* total allocated shm */
+ __kernel_ulong_t shm_rss; /* total resident shm */
+ __kernel_ulong_t shm_swp; /* total swapped shm */
+ __kernel_ulong_t swap_attempts;
+ __kernel_ulong_t swap_successes;
};
--
1.8.4.2
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[PATCH 7/8] Use __kernel_ulong_t in shmid64_ds/shminfo64/shm_info
Both x32 and x86-64 use the same struct shmid64_ds/shminfo64/shm_info for
system calls. But x32 long is 32-bit. This patch replaces unsigned long
with __kernel_ulong_t in struct shmid64_ds/shminfo64/shm_info if
__BITS_PER_LONG == 64.
Signed-off-by: H.J. Lu
---
include/uapi/asm-generic/shmbuf.h | 36 +++-
include/uapi/linux/shm.h | 14 +++---
2 files changed, 38 insertions(+), 12 deletions(-)
diff --git a/include/uapi/asm-generic/shmbuf.h
b/include/uapi/asm-generic/shmbuf.h
index 5768fa6..c5d9d34 100644
--- a/include/uapi/asm-generic/shmbuf.h
+++ b/include/uapi/asm-generic/shmbuf.h
@@ -39,21 +39,39 @@ struct shmid64_ds {
#endif
__kernel_pid_t shm_cpid; /* pid of creator */
__kernel_pid_t shm_lpid; /* pid of last operator */
+#if __BITS_PER_LONG != 64
unsigned long shm_nattch; /* no. of current attaches */
unsigned long __unused4;
unsigned long __unused5;
+#else
+ __kernel_ulong_tshm_nattch; /* no. of current attaches */
+ __kernel_ulong_t__unused4;
+ __kernel_ulong_t__unused5;
+#endif
};
struct shminfo64 {
- unsigned long shmmax;
- unsigned long shmmin;
- unsigned long shmmni;
- unsigned long shmseg;
- unsigned long shmall;
- unsigned long __unused1;
- unsigned long __unused2;
- unsigned long __unused3;
- unsigned long __unused4;
+#if __BITS_PER_LONG != 64
+ unsigned long shmmax;
+ unsigned long shmmin;
+ unsigned long shmmni;
+ unsigned long shmseg;
+ unsigned long shmall;
+ unsigned long __unused1;
+ unsigned long __unused2;
+ unsigned long __unused3;
+ unsigned long __unused4;
+#else
+ __kernel_ulong_tshmmax;
+ __kernel_ulong_tshmmin;
+ __kernel_ulong_tshmmni;
+ __kernel_ulong_tshmseg;
+ __kernel_ulong_tshmall;
+ __kernel_ulong_t__unused1;
+ __kernel_ulong_t__unused2;
+ __kernel_ulong_t__unused3;
+ __kernel_ulong_t__unused4;
+#endif
};
#endif /* __ASM_GENERIC_SHMBUF_H */
diff --git a/include/uapi/linux/shm.h b/include/uapi/linux/shm.h
index ec36fa1..970d255 100644
--- a/include/uapi/linux/shm.h
+++ b/include/uapi/linux/shm.h
@@ -68,11 +68,19 @@ struct shminfo {
struct shm_info {
int used_ids;
- unsigned long shm_tot; /* total allocated shm */
- unsigned long shm_rss; /* total resident shm */
- unsigned long shm_swp; /* total swapped shm */
+#if __BITS_PER_LONG == 64
+ __kernel_ulong_t shm_tot; /* total allocated shm */
+ __kernel_ulong_t shm_rss; /* total resident shm */
+ __kernel_ulong_t shm_swp; /* total swapped shm */
+ __kernel_ulong_t swap_attempts;
+ __kernel_ulong_t swap_successes;
+#else
+ unsigned long shm_tot; /* total allocated shm */
+ unsigned long shm_rss; /* total resident shm */
+ unsigned long shm_swp; /* total swapped shm */
unsigned long swap_attempts;
unsigned long swap_successes;
+#endif
};
--
1.8.4.2
--
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