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Commit 5cdb8205 authored by Grant Grundler's avatar Grant Grundler Committed by Kyle McMartin
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[PARISC] Fix BLK_BOUNCE_HIGH on parisc by initializing max_low_pfn 



max_low_pfn was not being set in arch/parisc/mm/init.c, causing severe
problems whenever anything tried to use BLK_BOUNCE_HIGH. Set it to
max_pfn like other similar architectures do.

Signed-off-by: default avatarGrant Grundler <grundler@parisc-linux.org>
Signed-off-by: default avatarKyle McMartin <kyle@parisc-linux.org>
parent 6ca45a24

arch/parisc/mm/init.c

+7 −0
Original line number Diff line number Diff line
@@ -300,6 +300,13 @@ static void __init setup_bootmem(void) 
			max_pfn = start_pfn + npages;

	}



	/* IOMMU is always used to access "high mem" on those boxes

	 * that can support enough mem that a PCI device couldn't

	 * directly DMA to any physical addresses.

	 * ISA DMA support will need to revisit this.

	 */

	max_low_pfn = max_pfn;



	if ((bootmap_pfn - bootmap_start_pfn) != bootmap_pages) {

		printk(KERN_WARNING "WARNING! bootmap sizing is messed up!\n");

		BUG();