[SRU][N][PATCH 0/2] Fix memremap_pages failures on x86 systems with large PCIe BAR addresses

Jacob Martin jacob.martin at canonical.com
Tue Aug 12 21:52:07 UTC 2025


Balbir Singh (2):
  x86/kaslr: Reduce KASLR entropy on most x86 systems
  x86/mm/init: Handle the special case of device private pages in
    add_pages(), to not increase max_pfn and trigger
    dma_addressing_limited() bounce buffers

 arch/x86/mm/init_64.c | 15 ++++++++++++---
 arch/x86/mm/kaslr.c   | 10 ++++++++--
 drivers/pci/Kconfig   |  6 ++++++
 3 files changed, 26 insertions(+), 5 deletions(-)

-- 
2.43.0




More information about the kernel-team mailing list