mirror of https://gitee.com/openkylin/linux.git
mm, hugetlb: change variable name reservations to resv
'reservations' is so long name as a variable and we use 'resv_map' to represent 'struct resv_map' in other place. To reduce confusion and unreadability, change it. Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com> Reviewed-by: Aneesh Kumar <aneesh.kumar@linux.vnet.ibm.com> Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Reviewed-by: Davidlohr Bueso <davidlohr@hp.com> Cc: David Gibson <david@gibson.dropbear.id.au> Cc: Wanpeng Li <liwanp@linux.vnet.ibm.com> Cc: Hillf Danton <dhillf@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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parent
4ef9184804
commit
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26
mm/hugetlb.c
26
mm/hugetlb.c
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@ -1115,9 +1115,9 @@ static long vma_needs_reservation(struct hstate *h,
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} else {
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long err;
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pgoff_t idx = vma_hugecache_offset(h, vma, addr);
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struct resv_map *reservations = vma_resv_map(vma);
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struct resv_map *resv = vma_resv_map(vma);
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err = region_chg(&reservations->regions, idx, idx + 1);
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err = region_chg(&resv->regions, idx, idx + 1);
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if (err < 0)
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return err;
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return 0;
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@ -1135,10 +1135,10 @@ static void vma_commit_reservation(struct hstate *h,
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} else if (is_vma_resv_set(vma, HPAGE_RESV_OWNER)) {
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pgoff_t idx = vma_hugecache_offset(h, vma, addr);
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struct resv_map *reservations = vma_resv_map(vma);
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struct resv_map *resv = vma_resv_map(vma);
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/* Mark this page used in the map. */
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region_add(&reservations->regions, idx, idx + 1);
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region_add(&resv->regions, idx, idx + 1);
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}
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}
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@ -2188,7 +2188,7 @@ static int hugetlb_acct_memory(struct hstate *h, long delta)
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static void hugetlb_vm_op_open(struct vm_area_struct *vma)
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{
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struct resv_map *reservations = vma_resv_map(vma);
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struct resv_map *resv = vma_resv_map(vma);
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/*
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* This new VMA should share its siblings reservation map if present.
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@ -2198,34 +2198,34 @@ static void hugetlb_vm_op_open(struct vm_area_struct *vma)
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* after this open call completes. It is therefore safe to take a
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* new reference here without additional locking.
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*/
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if (reservations)
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kref_get(&reservations->refs);
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if (resv)
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kref_get(&resv->refs);
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}
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static void resv_map_put(struct vm_area_struct *vma)
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{
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struct resv_map *reservations = vma_resv_map(vma);
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struct resv_map *resv = vma_resv_map(vma);
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if (!reservations)
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if (!resv)
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return;
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kref_put(&reservations->refs, resv_map_release);
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kref_put(&resv->refs, resv_map_release);
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}
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static void hugetlb_vm_op_close(struct vm_area_struct *vma)
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{
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struct hstate *h = hstate_vma(vma);
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struct resv_map *reservations = vma_resv_map(vma);
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struct resv_map *resv = vma_resv_map(vma);
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struct hugepage_subpool *spool = subpool_vma(vma);
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unsigned long reserve;
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unsigned long start;
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unsigned long end;
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if (reservations) {
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if (resv) {
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start = vma_hugecache_offset(h, vma, vma->vm_start);
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end = vma_hugecache_offset(h, vma, vma->vm_end);
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reserve = (end - start) -
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region_count(&reservations->regions, start, end);
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region_count(&resv->regions, start, end);
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resv_map_put(vma);
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