Apparently, x86-32 doesn't provide VMALLOC_START in asm/pgtable.h, and after a quick glance it seems to be the only arch to do so... Probably the correct solution is to add include asm/vmalloc.h to include/linux/ioremap.h, considering it uses VMALLOC_START. Will resubmit the v4 version of patch later today. Best regards, Max On Tue, 20 Aug 2024 at 23:35, Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote: > > On Fri, Aug 16 2024 at 09:43, tip-bot wrote: > > The following commit has been merged into the x86/urgent branch of tip: > > > > Commit-ID: 7b02ad32d83c16abd4961d79f3154b734d1d5d9c > > Gitweb: https://git.kernel.org/tip/7b02ad32d83c16abd4961d79f3154b734d1d5d9c > > Author: Max Ramanouski <max8rr8@xxxxxxxxx> > > AuthorDate: Thu, 15 Aug 2024 23:56:07 +03:00 > > Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx> > > CommitterDate: Fri, 16 Aug 2024 11:33:33 +02:00 > > > > x86/ioremap: Use is_ioremap_addr() in iounmap() > > This has been removed as it fails on a 32-bit defconfig: > > include/linux/ioremap.h: In function ‘is_ioremap_addr’: > include/linux/ioremap.h:14:25: error: ‘VMALLOC_START’ undeclared (first use in this function); did you mean ‘KMALLOC_DMA’? > 14 | #define IOREMAP_START VMALLOC_START > > Can you please have a look? > > Thanks, > > tglx
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