On Thu, 08 Aug 2024 09:05:08 +0200, Christophe Leroy wrote:
> Booting with CONFIG_DEBUG_VIRTUAL leads to following warning when
> passing hugepage reservation on command line:
>
> Kernel command line: hugepagesz=1g hugepages=1 hugepagesz=64m hugepages=1
> hugepagesz=256m hugepages=1 noreboot
> HugeTLB: allocating 1 of page size 1.00 GiB failed. Only allocated 0
> hugepages.
> ------------[ cut here ]------------
> WARNING: CPU: 0 PID: 0 at arch/powerpc/include/asm/io.h:948
> __alloc_bootmem_huge_page+0xd4/0x284
> Modules linked in:
> CPU: 0 PID: 0 Comm: swapper Not tainted
> 6.10.0-rc6-00396-g6b0e82791bd0-dirty #936
> Hardware name: MPC8544DS e500v2 0x80210030 MPC8544 DS
> NIP: c1020240 LR: c10201d0 CTR: 00000000
> REGS: c13fdd30 TRAP: 0700 Not tainted
> (6.10.0-rc6-00396-g6b0e82791bd0-dirty)
> MSR: 00021000 <CE,ME> CR: 44084288 XER: 20000000
>
> [...]
Applied to powerpc/fixes.
[1/1] powerpc/mm: Fix boot warning with hugepages and CONFIG_DEBUG_VIRTUAL
https://git.kernel.org/powerpc/c/e7e846dc6c73fbc94ae8b4ec20d05627646416f2
cheers
