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| author |   Björn Töpel <bjorn.topel@intel.com> | 2018-06-04 14:05:52 +0200 |
|---|---|---|
| committer |   Daniel Borkmann <daniel@iogearbox.net> | 2018-06-05 15:45:41 +0200 |
| commit | 8aef7340ae9695912a411886452ae9773206e845 (patch) | |
| tree | d6f66cf4c92cca441a6e39f3dfd09dce1c74e99b /net/xdp/xdp_umem.h | |
| parent | xsk: moved struct xdp_umem definition (diff) | |
| download | linux-dev-8aef7340ae9695912a411886452ae9773206e845.tar.xz linux-dev-8aef7340ae9695912a411886452ae9773206e845.zip | |
xsk: introduce xdp_umem_page
The xdp_umem_page holds the address for a page. Trade memory for
faster lookup. Later, we'll add DMA address here as well.
Signed-off-by: Björn Töpel <bjorn.topel@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to '')
| -rw-r--r-- | net/xdp/xdp_umem.h | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/net/xdp/xdp_umem.h b/net/xdp/xdp_umem.h index 9433e8af650a..40e8fa4a92af 100644 --- a/net/xdp/xdp_umem.h +++ b/net/xdp/xdp_umem.h @@ -10,8 +10,7 @@ static inline char *xdp_umem_get_data(struct xdp_umem *umem, u64 addr) { - return page_address(umem->pgs[addr >> PAGE_SHIFT]) + - (addr & (PAGE_SIZE - 1)); + return umem->pages[addr >> PAGE_SHIFT].addr + (addr & (PAGE_SIZE - 1)); } bool xdp_umem_validate_queues(struct xdp_umem *umem); |