parisc: Increase default initial kernel mapping to 32 MB

PATCH New Helge Deller 1 participant 1 message Oct 8, 2016 PA-RISC architecture

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Helge Deller

author maintainer

2016-10-08 14:16 UTC #0 lore raw

PATCH 1/1 parisc: Increase default initial kernel mapping to 32 MB

For 32-bit kernels which include multiple modules built-in 16 MB initial kernel mapping may get too small. To avoid boot problems increase the kernel mapping to 32 MB for all 32- and 64-bit kernel configs.

Cc [email protected] # 4.4+

Signed-off-by Helge Deller <[email protected]>

arch/parisc/include/asm/pgtable.h +0 -4

index e44bdb9..ef32e28 100644
@@ -83,11 +83,7 @@ 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 */
-#else
-#define KERNEL_INITIAL_ORDER	24	/* 1<<24 = 16MB */
-#endif
 #define KERNEL_INITIAL_SIZE	(1 << KERNEL_INITIAL_ORDER)
 
 #if CONFIG_PGTABLE_LEVELS == 3