powerpc/book3e-64: Don't limit paca to 256 MiB

This limit only makes sense on book3s, and on book3e it can cause
problems with kdump if we don't have any memory under 256 MiB.

Signed-off-by: Scott Wood <scottwood@freescale.com>

diff --git a/arch/powerpc/kernel/paca.c b/arch/powerpc/kernel/paca.c
index 5a23b69f8129721f51e5f9d52f621888ba1c131a..01ea0edf0579a3eefb67c65dcb535797a1e4ac63 100644 (file)
--- a/arch/powerpc/kernel/paca.c
+++ b/arch/powerpc/kernel/paca.c
@@ -204,14 +204,19 @@ static int __initdata paca_size;
 
 void __init allocate_pacas(void)
 {
-       int cpu, limit;
+       u64 limit;
+       int cpu;
 
+       limit = ppc64_rma_size;
+
+#ifdef CONFIG_PPC_BOOK3S_64
        /*
         * We can't take SLB misses on the paca, and we want to access them
         * in real mode, so allocate them within the RMA and also within
         * the first segment.
         */
-       limit = min(0x10000000ULL, ppc64_rma_size);
+       limit = min(0x10000000ULL, limit);
+#endif
 
        paca_size = PAGE_ALIGN(sizeof(struct paca_struct) * nr_cpu_ids);