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This is a second series of making __vmalloc() to support GFP_ATOMIC and GFP_NOWAIT flags. It tends to improve the non-blocking behaviour. The first one can be found here: https://lore.kernel.org/all/20250704152537.55724-1-urezki@gmail.com/ that was an RFC. Using this series for testing i have not found more places which can trigger: scheduling during atomic. Though there is one which requires attention. I will explain in [1]. Please note, non-blocking gets improved in the __vmalloc() call only, i.e. vmalloc_huge() still contains in its paths many cond_resched() points and can not be used as non-blocking as of now. [1] The vmap_pages_range_noflush() contains the kmsan_vmap_pages_range_noflush() external implementation for KCSAN specifically which is hard coded to GFP_KERNEL. The kernel should be built with CONFIG_KCSAN option. To me it looks like not straight forward to run such kernel on my box, therefore i need more time to investigate what is wrong with CONFIG_KCSAN and my env. Uladzislau Rezki (Sony) (8): lib/test_vmalloc: add no_block_alloc_test case lib/test_vmalloc: Remove xfail condition check mm/vmalloc: Support non-blocking GFP flags in alloc_vmap_area() mm/vmalloc: Remove cond_resched() in vm_area_alloc_pages() mm/kasan, mm/vmalloc: Respect GFP flags in kasan_populate_vmalloc() mm/vmalloc: Defer freeing partly initialized vm_struct mm/vmalloc: Support non-blocking GFP flags in __vmalloc_area_node() mm: Drop __GFP_DIRECT_RECLAIM flag if PF_MEMALLOC is set include/linux/kasan.h | 6 ++-- include/linux/sched/mm.h | 7 +++- include/linux/vmalloc.h | 6 +++- lib/test_vmalloc.c | 28 ++++++++++++++- mm/kasan/shadow.c | 22 ++++++++---- mm/vmalloc.c | 77 ++++++++++++++++++++++++++++++++-------- 6 files changed, 119 insertions(+), 27 deletions(-) -- 2.39.5