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authorHelge Deller <deller@gmx.de>2016-10-09 09:57:54 +0200
committerHelge Deller <deller@gmx.de>2016-10-09 09:57:54 +0200
commit65bf34f59594c11f13d371c5334a6a0a385cd7ae (patch)
tree266e4a5c1be12c557d74bcc45e8e17277459a424
parenta38671d65dce25d2390338fe9d272de6302334db (diff)
parisc: Increase initial kernel mapping size
Increase the initial kernel default page mapping size for 64-bit kernels to 64 MB and for 32-bit kernels to 32 MB. Due to the additional support of ftrace, tracepoint and huge pages the kernel size can exceed the sizes we used up to now. Cc: stable@vger.kernel.org # 4.4+ Signed-off-by: Helge Deller <deller@gmx.de>
-rw-r--r--arch/parisc/include/asm/pgtable.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/parisc/include/asm/pgtable.h b/arch/parisc/include/asm/pgtable.h
index e44bdb9078a5..c2c43f714684 100644
--- a/arch/parisc/include/asm/pgtable.h
+++ b/arch/parisc/include/asm/pgtable.h
@@ -83,10 +83,10 @@ static inline void purge_tlb_entries(struct mm_struct *mm, unsigned long addr)
printk("%s:%d: bad pgd %08lx.\n", __FILE__, __LINE__, (unsigned long)pgd_val(e))
/* This is the size of the initially mapped kernel memory */
-#if defined(CONFIG_64BIT) || defined(CONFIG_SMP)
-#define KERNEL_INITIAL_ORDER 25 /* 1<<25 = 32MB */
+#if defined(CONFIG_64BIT)
+#define KERNEL_INITIAL_ORDER 26 /* 1<<26 = 64MB */
#else
-#define KERNEL_INITIAL_ORDER 24 /* 1<<24 = 16MB */
+#define KERNEL_INITIAL_ORDER 25 /* 1<<25 = 32MB */
#endif
#define KERNEL_INITIAL_SIZE (1 << KERNEL_INITIAL_ORDER)