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Commit 65bf34f5 authored by Helge Deller's avatar Helge Deller
Browse files

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: default avatarHelge Deller <deller@gmx.de>
parent a38671d6

arch/parisc/include/asm/pgtable.h

+3 −3
Original line number Diff line number Diff line
@@ -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)