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 <[email protected]> --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
