Commit 3212c6be authored by Bob Picco's avatar Bob Picco Committed by Linus Torvalds
Browse files

[PATCH] fix WANT_PAGE_VIRTUAL in memmap_init



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: default avatarBob Picco <bob.picco@hp.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 9c4142a1
......@@ -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++;
}
}
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment