From: Tejun Heo Date: Fri, 3 Jul 2009 23:10:58 +0000 (+0900) Subject: x86: make pcpu_chunk_addr_search() matching stricter X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=79ba6ac825fac187894e236c9df1ba5fcbf53fd3;p=linux-beck.git x86: make pcpu_chunk_addr_search() matching stricter The @addr passed into pcpu_chunk_addr_search() is unit0 based address and thus should be matched inside unit0 area. Currently, when it uses chunk size when determining whether the address falls in the first chunk. Addresses in unitN where N>0 shouldn't be passed in anyway, so this doesn't cause any malfunction but fix it for consistency. [ Impact: mostly cleanup ] Signed-off-by: Tejun Heo Cc: Ingo Molnar --- diff --git a/mm/percpu.c b/mm/percpu.c index b14984566f5a..19dd83b5cbdc 100644 --- a/mm/percpu.c +++ b/mm/percpu.c @@ -290,7 +290,7 @@ static struct pcpu_chunk *pcpu_chunk_addr_search(void *addr) void *first_start = pcpu_first_chunk->vm->addr; /* is it in the first chunk? */ - if (addr >= first_start && addr < first_start + pcpu_chunk_size) { + if (addr >= first_start && addr < first_start + pcpu_unit_size) { /* is it in the reserved area? */ if (addr < first_start + pcpu_reserved_chunk_limit) return pcpu_reserved_chunk;