Commit f011c2da authored Nov 19, 2008 by Nick Piggin Committed by Linus Torvalds Nov 19, 2008

mm: vmalloc allocator off by one



Fix off by one bug in the KVA allocator that can leave gaps in the address
space.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent f481891f

mm/vmalloc.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -362,7 +362,7 @@ retry:
		goto found;
		}

		while (addr + size >= first->va_start && addr + size <= vend) {
		while (addr + size > first->va_start && addr + size <= vend) {
		addr = ALIGN(first->va_end + PAGE_SIZE, align);

		n = rb_next(&first->rb_node);