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-rw-r--r--include/linux/hugetlb.h8
-rw-r--r--mm/hugetlb.c3
2 files changed, 8 insertions, 3 deletions
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 1a782733a420..d1a77b87408d 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -22,7 +22,13 @@ struct mmu_gather;
struct hugepage_subpool {
spinlock_t lock;
long count;
- long max_hpages, used_hpages;
+ long max_hpages; /* Maximum huge pages or -1 if no maximum. */
+ long used_hpages; /* Used count against maximum, includes */
+ /* both alloced and reserved pages. */
+ struct hstate *hstate;
+ long min_hpages; /* Minimum huge pages or -1 if no minimum. */
+ long rsv_hpages; /* Pages reserved against global pool to */
+ /* sasitfy minimum size. */
};
struct resv_map {
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 8874c8ad55aa..4494976c2042 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -77,14 +77,13 @@ struct hugepage_subpool *hugepage_new_subpool(long nr_blocks)
{
struct hugepage_subpool *spool;
- spool = kmalloc(sizeof(*spool), GFP_KERNEL);
+ spool = kzalloc(sizeof(*spool), GFP_KERNEL);
if (!spool)
return NULL;
spin_lock_init(&spool->lock);
spool->count = 1;
spool->max_hpages = nr_blocks;
- spool->used_hpages = 0;
return spool;
}