Messages in this thread Patch in this message | | | From | Wanpeng Li <> | Subject | [PATCH 01/10] staging: zcache: fix account foregin counters against zero-filled pages | Date | Wed, 10 Apr 2013 08:25:51 +0800 |
| |
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> --- drivers/staging/zcache/zcache-main.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/zcache/zcache-main.c b/drivers/staging/zcache/zcache-main.c index f3de76d..e23d814 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); -- 1.7.10.4
| |