Unverified Commit 098d02dd authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!1693 nvme-pci: fix mempool alloc size 

Merge Pull Request from: @ci-robot 
 
PR sync from: Yong Hu <yong.hu@windriver.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/XTDSXHQRPNWUUNE6Y2PWP2E3MPZWCWPC/ 
 
https://gitee.com/openeuler/kernel/issues/I7PZZC 
 
Link:https://gitee.com/openeuler/kernel/pulls/1693

 

Reviewed-by: default avatarZheng Zengkai <zhengzengkai@huawei.com>
Signed-off-by: default avatarZheng Zengkai <zhengzengkai@huawei.com>
parents f11d7c71 0e215a7c

drivers/nvme/host/pci.c

+2 −2
Original line number Diff line number Diff line
@@ -371,8 +371,8 @@ static bool nvme_dbbuf_update_and_check_event(u16 value, u32 *dbbuf_db, 
 */

static int nvme_pci_npages_prp(void)

{

	unsigned nprps = DIV_ROUND_UP(NVME_MAX_KB_SZ + NVME_CTRL_PAGE_SIZE,

				      NVME_CTRL_PAGE_SIZE);

	unsigned max_bytes = (NVME_MAX_KB_SZ * 1024) + NVME_CTRL_PAGE_SIZE;

	unsigned nprps = DIV_ROUND_UP(max_bytes, NVME_CTRL_PAGE_SIZE);

	return DIV_ROUND_UP(8 * nprps, PAGE_SIZE - 8);

}