fedora core 2.6.10-1.12-FC2

[linux-2.6.git] / include / asm-ppc64 / paca.h

diff --git a/include/asm-ppc64/paca.h b/include/asm-ppc64/paca.h
index 0cf47f7..53ee1a7 100644 (file)
--- a/include/asm-ppc64/paca.h
+++ b/include/asm-ppc64/paca.h
@@ -99,13 +99,17 @@ struct paca_struct {
        u64 exdsi[8];           /* used for linear mapping hash table misses */
 
        /*
-        * iSeries structues which the hypervisor knows about - 
-        * This structure should not cross a page boundary.
-        * The vpa_init/register_vpa call is now known to fail if the lppaca 
-        * structure crosses a page boundary. 
+        * iSeries structure which the hypervisor knows about -
+        * this structure should not cross a page boundary.
+        * The vpa_init/register_vpa call is now known to fail if the
+        * lppaca structure crosses a page boundary.
         * The lppaca is also used on POWER5 pSeries boxes.
+        * The lppaca is 640 bytes long, and cannot readily change
+        * since the hypervisor knows its layout, so a 1kB
+        * alignment will suffice to ensure that it doesn't
+        * cross a page boundary.
         */
-       struct ItLpPaca lppaca __attribute__((aligned(0x400)));
+       struct ItLpPaca lppaca __attribute__((__aligned__(0x400)));
 #ifdef CONFIG_PPC_ISERIES
        struct ItLpRegSave reg_save;
 #endif