diff options
| -rw-r--r-- | fs/ocfs2/dlm/dlmcommon.h | 8 | ||||
| -rw-r--r-- | fs/ocfs2/dlm/dlmdomain.c | 3 |
2 files changed, 9 insertions, 2 deletions
diff --git a/fs/ocfs2/dlm/dlmcommon.h b/fs/ocfs2/dlm/dlmcommon.h index 0378ddbc8a8..4fc1be3a3fa 100644 --- a/fs/ocfs2/dlm/dlmcommon.h +++ b/fs/ocfs2/dlm/dlmcommon.h @@ -37,8 +37,12 @@ #define DLM_THREAD_SHUFFLE_INTERVAL 5 // flush everything every 5 passes #define DLM_THREAD_MS 200 // flush at least every 200 ms -#define DLM_HASH_SIZE (1 << 14) -#define DLM_HASH_PAGES (DLM_HASH_SIZE / PAGE_SIZE) +#define DLM_HASH_SIZE_DEFAULT (1 << 14) +#if DLM_HASH_SIZE_DEFAULT < PAGE_SIZE +# define DLM_HASH_PAGES 1 +#else +# define DLM_HASH_PAGES (DLM_HASH_SIZE_DEFAULT / PAGE_SIZE) +#endif #define DLM_BUCKETS_PER_PAGE (PAGE_SIZE / sizeof(struct hlist_head)) #define DLM_HASH_BUCKETS (DLM_HASH_PAGES * DLM_BUCKETS_PER_PAGE) diff --git a/fs/ocfs2/dlm/dlmdomain.c b/fs/ocfs2/dlm/dlmdomain.c index 80b8cce9cf3..a074ec6f193 100644 --- a/fs/ocfs2/dlm/dlmdomain.c +++ b/fs/ocfs2/dlm/dlmdomain.c @@ -67,6 +67,9 @@ static void **dlm_alloc_pagevec(int pages) for (i = 0; i < pages; i++) if (!(vec[i] = (void *)__get_free_page(GFP_KERNEL))) goto out_free; + + mlog(0, "Allocated DLM hash pagevec; %d pages (%lu expected), %Zd buckets per page\n", + pages, DLM_HASH_PAGES, DLM_BUCKETS_PER_PAGE); return vec; out_free: dlm_free_pagevec(vec, i); |