mirror of https://gitee.com/openkylin/linux.git
9119a41e90
Currently, to track reserved and allocated regions, we use two different ways, depending on the mapping. For MAP_SHARED, we use address_mapping's private_list and, while for MAP_PRIVATE, we use a resv_map. Now, we are preparing to change a coarse grained lock which protect a region structure to fine grained lock, and this difference hinder it. So, before changing it, unify region structure handling, consistently using a resv_map regardless of the kind of mapping. Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com> Signed-off-by: Davidlohr Bueso <davidlohr@hp.com> Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Reviewed-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Cc: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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