Disclaimer: I'm relativly new to kernel hacking and I might have
overlooked something. The patch was only tested on a single box.
The free_area bitmaps allocated by free_area_init are about twice
as large as actually needed. Patch:
--- linux-2.3.15/mm/page_alloc.c.orig Mon Aug 30 16:30:06 1999
+++ linux-2.3.15/mm/page_alloc.c Mon Aug 30 16:30:34 1999
@@ -335,7 +335,7 @@
init_mem_queue(free_area+i);
mask += mask;
end_mem = (end_mem + ~mask) & mask;
- bitmap_size = (end_mem - PAGE_OFFSET) >> (PAGE_SHIFT + i);
+ bitmap_size = (end_mem - PAGE_OFFSET) >> (PAGE_SHIFT + i + 1);
bitmap_size = (bitmap_size + 7) >> 3;
bitmap_size = LONG_ALIGN(bitmap_size);
free_area[i].map = (unsigned int *) start_mem;
-Christian
-
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