#ifndef __ASM_MEMORY_MODEL_H
#define __ASM_MEMORY_MODEL_H

#include <linux/pfn.h>

#ifndef __ASSEMBLY__

#if defined(CONFIG_FLATMEM)

#ifndef ARCH_PFN_OFFSET
#define ARCH_PFN_OFFSET		(0UL)
#endif

#elif defined(CONFIG_DISCONTIGMEM)

#ifndef arch_pfn_to_nid
#define arch_pfn_to_nid(pfn)	pfn_to_nid(pfn)
#endif

#ifndef arch_local_page_offset
#define arch_local_page_offset(pfn, nid)	\
	((pfn) - NODE_DATA(nid)->node_start_pfn)
#endif

#endif /* CONFIG_DISCONTIGMEM */

/*
 * supports 3 memory models.
 */
#if defined(CONFIG_FLATMEM)

#define __pfn_to_page(pfn)	(mem_map + ((pfn) - ARCH_PFN_OFFSET))
#define __page_to_pfn(page)	((unsigned long)((page) - mem_map) + \
				 ARCH_PFN_OFFSET)
#elif defined(CONFIG_DISCONTIGMEM)

#define __pfn_to_page(pfn)			\
({	unsigned long __pfn = (pfn);		\
	unsigned long __nid = arch_pfn_to_nid(__pfn);  \
	NODE_DATA(__nid)->node_mem_map + arch_local_page_offset(__pfn, __nid);\
})

#define __page_to_pfn(pg)						\
({	const struct page *__pg = (pg);					\
	struct pglist_data *__pgdat = NODE_DATA(page_to_nid(__pg));	\
	(unsigned long)(__pg - __pgdat->node_mem_map) +			\
	 __pgdat->node_start_pfn;					\
})

#elif defined(CONFIG_SPARSEMEM_VMEMMAP)

/* memmap is virtually contiguous.  */
#define __pfn_to_page(pfn)	(vmemmap + (pfn))
#define __page_to_pfn(page)	(unsigned long)((page) - vmemmap)

#elif defined(CONFIG_SPARSEMEM)
/*
 * Note: section's mem_map is encoded to reflect its start_pfn.
 * section[i].section_mem_map == mem_map's address - start_pfn;
 */
#define __page_to_pfn(pg)					\
({	const struct page *__pg = (pg);				\
	int __sec = page_to_section(__pg);			\
	(unsigned long)(__pg - __section_mem_map_addr(__nr_to_section(__sec)));	\
})

#define __pfn_to_page(pfn)				\
({	unsigned long __pfn = (pfn);			\
	struct mem_section *__sec = __pfn_to_section(__pfn);	\
	__section_mem_map_addr(__sec) + __pfn;		\
})
#endif /* CONFIG_FLATMEM/DISCONTIGMEM/SPARSEMEM */

/*
 * Convert a physical address to a Page Frame Number and back
 */
#define	__phys_to_pfn(paddr)	PHYS_PFN(paddr)
#define	__pfn_to_phys(pfn)	PFN_PHYS(pfn)

#define page_to_pfn __page_to_pfn
#define pfn_to_page __pfn_to_page

#endif /* __ASSEMBLY__ */

#endif
ost/ehci-timer.c?id=206c4720092d2a24bfefc041b377e889a220ffbf&amp;id2=1372cef1c697d8aac0cc923f8aa2c37d790ec9ed'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/drivers/usb/host/ehci-timer.c'>
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<option value='grep'>log msg</option>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/diff/?id=206c4720092d2a24bfefc041b377e889a220ffbf&amp;id2=1372cef1c697d8aac0cc923f8aa2c37d790ec9ed'>root</a>/<a href='/cgit.cgi/linux/net-next.git/diff/drivers?id=206c4720092d2a24bfefc041b377e889a220ffbf&amp;id2=1372cef1c697d8aac0cc923f8aa2c37d790ec9ed'>drivers</a>/<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb?id=206c4720092d2a24bfefc041b377e889a220ffbf&amp;id2=1372cef1c697d8aac0cc923f8aa2c37d790ec9ed'>usb</a>/<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/host?id=206c4720092d2a24bfefc041b377e889a220ffbf&amp;id2=1372cef1c697d8aac0cc923f8aa2c37d790ec9ed'>host</a>/<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/host/ehci-timer.c?id=206c4720092d2a24bfefc041b377e889a220ffbf&amp;id2=1372cef1c697d8aac0cc923f8aa2c37d790ec9ed'>ehci-timer.c</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='206c4720092d2a24bfefc041b377e889a220ffbf'/><input type='hidden' name='id2' value='1372cef1c697d8aac0cc923f8aa2c37d790ec9ed'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=206c4720092d2a24bfefc041b377e889a220ffbf&amp;id2=1372cef1c697d8aac0cc923f8aa2c37d790ec9ed'>Diffstat</a> (limited to 'drivers/usb/host/ehci-timer.c')</div><table summary='diffstat' class='diffstat'>