Re: [PATCH] fs: Add 'rootfsflags' to set rootfs mount options

2025-08-07 Thread Lichen Liu
On Fri, Aug 8, 2025 at 10:46 AM Dave Young wrote: > > On Fri, 8 Aug 2025 at 10:30, Dave Young wrote: > > > > Hi Lichen, > > > > On Fri, 8 Aug 2025 at 09:55, Lichen Liu wrote: > > > > > > When CONFIG_TMPFS is enabled, the initial root filesystem is a tmpfs. > > > By default, a tmpfs mount is limi

Re: [PATCH 0/4] mm/kasan: make kasan=on|off work for all three modes

2025-08-07 Thread Baoquan He
On 08/06/25 at 09:16am, Marco Elver wrote: > On Tue, 5 Aug 2025 at 08:23, 'Baoquan He' via kasan-dev > wrote: > > > > Currently only hw_tags mode of kasan can be enabled or disabled with > > kernel parameter kasan=on|off for built kernel. For kasan generic and > > sw_tags mode, there's no way to d

Re: [PATCH] fs: Add 'rootfsflags' to set rootfs mount options

2025-08-07 Thread Dave Young
On Fri, 8 Aug 2025 at 10:30, Dave Young wrote: > > Hi Lichen, > > On Fri, 8 Aug 2025 at 09:55, Lichen Liu wrote: > > > > When CONFIG_TMPFS is enabled, the initial root filesystem is a tmpfs. > > By default, a tmpfs mount is limited to using 50% of the available RAM > > for its content. This can b

Re: [PATCH] fs: Add 'rootfsflags' to set rootfs mount options

2025-08-07 Thread Dave Young
Hi Lichen, On Fri, 8 Aug 2025 at 09:55, Lichen Liu wrote: > > When CONFIG_TMPFS is enabled, the initial root filesystem is a tmpfs. > By default, a tmpfs mount is limited to using 50% of the available RAM > for its content. This can be problematic in memory-constrained > environments, particularl

[PATCH] fs: Add 'rootfsflags' to set rootfs mount options

2025-08-07 Thread Lichen Liu
When CONFIG_TMPFS is enabled, the initial root filesystem is a tmpfs. By default, a tmpfs mount is limited to using 50% of the available RAM for its content. This can be problematic in memory-constrained environments, particularly during a kdump capture. In a kdump scenario, the capture kernel boo

Re: [PATCH v2 0/6] Fix printf string specifiers, otherwise kexec doesn't work on my laptop

2025-08-07 Thread Andy Shevchenko
On Thu, Aug 7, 2025 at 10:35 PM Jeremy Linton wrote: > On 8/6/25 10:25 PM, Askar Safin wrote: > > TL;DR: this patchset fixes regression, introduced in aecc554e7b. > > This patchset should be backported to all distributions, which packaged > > v2.0.31, otherwise > > kexec doesn't work at all at my

Re: [PATCH v2 2/6] kexec/kexec-elf-exec.c: Replace %lux with %lx, this is what the author meant

2025-08-07 Thread Andy Shevchenko
On Thu, Aug 7, 2025 at 5:29 AM Askar Safin wrote: The commit message is always good to have as the Git summary sometimes is not visible (some Web tools, for example) and usually assumed to be max 72 characters. Besides that, in this case it would be nice to add a sentence to explain why you thin

Re: [PATCH v2 0/6] Fix printf string specifiers, otherwise kexec doesn't work on my laptop

2025-08-07 Thread Jeremy Linton
Hi, On 8/6/25 10:25 PM, Askar Safin wrote: TL;DR: this patchset fixes regression, introduced in aecc554e7b. This patchset should be backported to all distributions, which packaged v2.0.31, otherwise kexec doesn't work at all at my laptop with pretty common setup with v2.0.31. v2.0.31 is broken

Re: [PATCH 0/4] mm/kasan: make kasan=on|off work for all three modes

2025-08-07 Thread Andrey Ryabinin
On 8/6/25 9:16 AM, Marco Elver wrote: > On Tue, 5 Aug 2025 at 08:23, 'Baoquan He' via kasan-dev > wrote: >> >> Currently only hw_tags mode of kasan can be enabled or disabled with >> kernel parameter kasan=on|off for built kernel. For kasan generic and >> sw_tags mode, there's no way to disable

Re: [PATCH 0/4] mm/kasan: make kasan=on|off work for all three modes

2025-08-07 Thread Andrey Ryabinin
On 8/5/25 8:23 AM, Baoquan He wrote: > Currently only hw_tags mode of kasan can be enabled or disabled with > kernel parameter kasan=on|off for built kernel. For kasan generic and > sw_tags mode, there's no way to disable them once kernel is built. > This is not convenient sometime, e.g in syst

Re: [PATCH RFC][makedumpfile 00/10] btf/kallsyms based eppic extension for mm page filtering

2025-08-07 Thread 山崎 真光
Thank you for the suggestion. I think it's a good idea, but epppic needs careful consideration. I'm sorry, but please let me check for a moment. Thanks, Masa On 2025/08/05 12:16, Tao Liu wrote: > Kindly ping... > > Any comments for this patchset? > > Thanks, > Tao Liu > > > On Tue, Jun 10, 2025 a