diff options
| author | Christophe JAILLET <christophe.jaillet@wanadoo.fr> | 2023-06-18 19:24:54 +0300 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2023-07-13 19:21:25 +0300 |
| commit | 849846c41497e481c964b69ab1c65d65958aac28 (patch) | |
| tree | 588c4bbc9a98a69ff88a45b8d3454f182698ec4b /include/linux/pci.h | |
| parent | 06c2afb862f9da8dc5efa4b6076a0e48c3fbaaa5 (diff) | |
| download | linux-849846c41497e481c964b69ab1c65d65958aac28.tar.xz | |
PCI: Reorder pci_dev fields to reduce holes
Group some bitfield variables to reduce holes. On x86_64, this shrinks the
size of 'struct pci_dev' by 16 bytes (from 3576 to 3560) when compiled with
'allmodconfig'.
Link: https://lore.kernel.org/r/407b17c3e56764ef2c558898d4ff4c6c04b2d757.1687105455.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'include/linux/pci.h')
| -rw-r--r-- | include/linux/pci.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h index c69a2cc1f412..106754757279 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -366,8 +366,8 @@ struct pci_dev { pci_power_t current_state; /* Current operating state. In ACPI, this is D0-D3, D0 being fully functional, and D3 being off. */ - unsigned int imm_ready:1; /* Supports Immediate Readiness */ u8 pm_cap; /* PM capability offset */ + unsigned int imm_ready:1; /* Supports Immediate Readiness */ unsigned int pme_support:5; /* Bitmask of states from which PME# can be generated */ unsigned int pme_poll:1; /* Poll device's PME status bit */ @@ -392,9 +392,9 @@ struct pci_dev { #ifdef CONFIG_PCIEASPM struct pcie_link_state *link_state; /* ASPM link state */ + u16 l1ss; /* L1SS Capability pointer */ unsigned int ltr_path:1; /* Latency Tolerance Reporting supported from root to here */ - u16 l1ss; /* L1SS Capability pointer */ #endif unsigned int pasid_no_tlp:1; /* PASID works without TLP Prefix */ unsigned int eetlp_prefix_path:1; /* End-to-End TLP Prefix */ |