Messages in this thread Patch in this message | | | Date | Fri, 29 Jun 2007 17:09:07 +0000 | From | Dave Young <> | Subject | [PATCH] ioremap: fix iounmap numpages |
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Hi, The second parameter of change_page_attr in iounmap is wrong, it should be (p->size - 1) >> PAGE_SHIFT
Signed-off-by: Dave Young <hidave.darkstar@gmail.com> ---
diff -upr linux/arch/i386/mm/ioremap.c linux.new/arch/i386/mm/ioremap.c --- linux/arch/i386/mm/ioremap.c 2007-06-29 16:48:40.000000000 +0000 +++ linux.new/arch/i386/mm/ioremap.c 2007-06-29 16:50:09.000000000 +0000 @@ -196,7 +196,7 @@ void iounmap(volatile void __iomem *addr /* Reset the direct mapping. Can block */ if ((p->flags >> 20) && p->phys_addr < virt_to_phys(high_memory) - 1) { change_page_attr(virt_to_page(__va(p->phys_addr)), - p->size >> PAGE_SHIFT, + (p->size - 1) >> PAGE_SHIFT, PAGE_KERNEL); global_flush_tlb(); } Regards dave - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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