Ensure that the size of various compat ipc structs are the same as of
the native kernel.
Signed-off-by: Helge Deller <deller@xxxxxx>
diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c
index c229427..f2ee988 100644
--- a/arch/parisc/mm/init.c
+++ b/arch/parisc/mm/init.c
@@ -23,6 +23,7 @@
#include <linux/unistd.h>
#include <linux/nodemask.h> /* for node_online_map */
#include <linux/pagemap.h> /* for release_pages and page_cache_release */
+#include <linux/compat.h>
#include <asm/pgalloc.h>
#include <asm/pgtable.h>
@@ -30,6 +31,7 @@
#include <asm/pdc_chassis.h>
#include <asm/mmzone.h>
#include <asm/sections.h>
+#include <asm/msgbuf.h>
extern int data_start;
extern void parisc_kernel_start(void); /* Kernel entry point in head.S */
@@ -590,6 +592,14 @@ unsigned long pcxl_dma_start __read_mostly;
void __init mem_init(void)
{
+#ifdef CONFIG_COMPAT
+ /* Do sanity checks on compat structures */
+ BUILD_BUG_ON(sizeof(struct compat_ipc64_perm) != sizeof(struct ipc64_perm));
+ BUILD_BUG_ON(sizeof(struct compat_msqid64_ds) != sizeof(struct msqid64_ds));
+ BUILD_BUG_ON(sizeof(struct compat_semid64_ds) != sizeof(struct semid64_ds));
+ BUILD_BUG_ON(sizeof(struct compat_shmid64_ds) != sizeof(struct shmid64_ds));
+#endif
+
/* Do sanity checks on page table constants */
BUILD_BUG_ON(PTE_ENTRY_SIZE != sizeof(pte_t));
BUILD_BUG_ON(PMD_ENTRY_SIZE != sizeof(pmd_t));
--
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