Commit f011c2da authored by Nick Piggin's avatar Nick Piggin Committed by Linus Torvalds

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: default avatarNick Piggin <npiggin@suse.de>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent f481891f
...@@ -362,7 +362,7 @@ retry: ...@@ -362,7 +362,7 @@ retry:
goto found; 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); addr = ALIGN(first->va_end + PAGE_SIZE, align);
n = rb_next(&first->rb_node); n = rb_next(&first->rb_node);
......
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