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| author | Wanpeng Li <liwanp@linux.vnet.ibm.com> | 2013-04-10 04:25:51 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-04-11 23:58:39 +0400 |
| commit | 55345fb9ff68e2e5c0259c814542e72aec972c02 (patch) | |
| tree | e4aca5f022a11e599496da57d89b9763699408fd /drivers/staging/zcache | |
| parent | bc38967837802949dd831db6209cedf64239e1cc (diff) | |
| download | linux-55345fb9ff68e2e5c0259c814542e72aec972c02.tar.xz | |
staging: zcache: fix account foregin counters against zero-filled pages
zero-filled pages won't be compressed and sent to remote system. Monitor
the number ephemeral and persistent pages that Ramster has sent make no
sense. This patch skip account foregin counters against zero-filled pages.
Signed-off-by: Wanpeng Li <liwanp@linux.vnet.ibm.com>
Acked-by: Dan Magenheimer <dan.magenheimer@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/zcache')
| -rw-r--r-- | drivers/staging/zcache/zcache-main.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/staging/zcache/zcache-main.c b/drivers/staging/zcache/zcache-main.c index f3de76d07073..e23d814b5392 100644 --- a/drivers/staging/zcache/zcache-main.c +++ b/drivers/staging/zcache/zcache-main.c @@ -415,7 +415,7 @@ create_in_new_page: got_pampd: inc_zcache_eph_zbytes(clen); inc_zcache_eph_zpages(); - if (ramster_enabled && raw) + if (ramster_enabled && raw && !zero_filled) ramster_count_foreign_pages(true, 1); if (zero_filled) pampd = (void *)ZERO_FILLED; @@ -500,7 +500,7 @@ create_in_new_page: got_pampd: inc_zcache_pers_zpages(); inc_zcache_pers_zbytes(clen); - if (ramster_enabled && raw) + if (ramster_enabled && raw && !zero_filled) ramster_count_foreign_pages(false, 1); if (zero_filled) pampd = (void *)ZERO_FILLED; @@ -681,7 +681,7 @@ zero_fill: dec_zcache_pers_zpages(zpages); dec_zcache_pers_zbytes(zsize); } - if (!is_local_client(pool->client)) + if (!is_local_client(pool->client) && !zero_filled) ramster_count_foreign_pages(eph, -1); if (page && !zero_filled) zcache_free_page(page); @@ -732,7 +732,7 @@ static void zcache_pampd_free(void *pampd, struct tmem_pool *pool, dec_zcache_pers_zpages(zpages); dec_zcache_pers_zbytes(zsize); } - if (!is_local_client(pool->client)) + if (!is_local_client(pool->client) && !zero_filled) ramster_count_foreign_pages(is_ephemeral(pool), -1); if (page && !zero_filled) zcache_free_page(page); |