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[PATCH] fix WANT_PAGE_VIRTUAL in memmap_init

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I spotted this issue while in memmap_init last week.  I can't say the
change has any test coverage by me.  start_pfn was formerly used in main
"for" loop.  The fix is replace start_pfn with pfn.

Signed-off-by: Bob Picco <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Bob Picco 2005-06-27 14:36:28 -07:00 • committed by Linus Torvalds
commit 3212c6be25
1 changed files with 1 additions and 2 deletions
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3
mm/page_alloc.c
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@ -1667,9 +1667,8 @@ void __init memmap_init_zone(unsigned long size, int nid, unsigned long zone,
#ifdef WANT_PAGE_VIRTUAL
/* The shift won't overflow because ZONE_NORMAL is below 4G. */
if (!is_highmem_idx(zone))
set_page_address(page, __va(start_pfn << PAGE_SHIFT));
set_page_address(page, __va(pfn << PAGE_SHIFT));
#endif
start_pfn++;
}
}