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percpu: remove has_reserved from pcpu_chunk

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Prior this variable was used to manage statistics when the first chunk
had a reserved region. The previous patch introduced start_offset to
keep track of the offset by value rather than boolean. Therefore,
has_reserved can be removed.

Signed-off-by: Dennis Zhou <dennisszhou@gmail.com>
Reviewed-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Dennis Zhou (Facebook) 2017-07-24 19:02:00 -04:00 • committed by Tejun Heo
parent e226670566
commit 4af1e6fbd8
3 changed files with 1 additions and 9 deletions
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5
mm/percpu-internal.h
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@ -23,11 +23,6 @@ struct pcpu_chunk {
void *data; /* chunk data */
int first_free; /* no free below this */
bool immutable; /* no [de]population allowed */
bool has_reserved; /* Indicates if chunk has reserved space
at the beginning. Reserved chunk will
contain reservation for static chunk.
Dynamic chunk will contain reservation
for static and reserved chunks. */
int start_offset; /* the overlap with the previous
region to have a page aligned
base_addr */