Date: Tue, 24 Oct 2023 13:38:27 GMT From: Mark Johnston <markj@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: 501e1152d2a0 - stable/14 - linuxkpi: Fix an assertion in linux_free_kmem() Message-ID: <202310241338.39ODcRYu089484@gitrepo.freebsd.org>
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The branch stable/14 has been updated by markj: URL: https://cgit.FreeBSD.org/src/commit/?id=501e1152d2a047f8ff8fba6e6efbd2d5e9872738 commit 501e1152d2a047f8ff8fba6e6efbd2d5e9872738 Author: Mark Johnston <markj@FreeBSD.org> AuthorDate: 2023-10-18 13:43:02 +0000 Commit: Mark Johnston <markj@FreeBSD.org> CommitDate: 2023-10-24 13:20:12 +0000 linuxkpi: Fix an assertion in linux_free_kmem() In the LinuxKPI, PAGE_MASK is the logical negation of FreeBSD's PAGE_MASK, so the original assertion was simply incorrect. Reported by: trasz Tested by: trasz Fixes: 6223d0b67af9 ("linuxkpi: Handle direct-mapped addresses in linux_free_kmem()") (cherry picked from commit f88bd1174aab1aff7fea7241ab6e103e769d2d7a) --- sys/compat/linuxkpi/common/src/linux_page.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sys/compat/linuxkpi/common/src/linux_page.c b/sys/compat/linuxkpi/common/src/linux_page.c index 21e338acb089..ead2f24cf5df 100644 --- a/sys/compat/linuxkpi/common/src/linux_page.c +++ b/sys/compat/linuxkpi/common/src/linux_page.c @@ -193,7 +193,7 @@ linux_alloc_kmem(gfp_t flags, unsigned int order) void linux_free_kmem(vm_offset_t addr, unsigned int order) { - KASSERT((addr & PAGE_MASK) == 0, + KASSERT((addr & ~PAGE_MASK) == 0, ("%s: addr %p is not page aligned", __func__, (void *)addr)); if (addr >= VM_MIN_KERNEL_ADDRESS && addr < VM_MAX_KERNEL_ADDRESS) {
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