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a=6eWqkTHjU83fiwn7nKZWdM+Sl24=:19 a=z/mQ4Ysz8XfWz/Q5cLBRGdckG28=:19 a=lCpzRmAYbLLaTzLvsPZ7Mbvzbb8=:19 a=xqWC_Br6kY4A:10 a=kj9zAlcOel0A:10 a=vUbySO9Y5rIA:10 a=GoEa3M9JfhUA:10 a=VkNPw1HP01LnGYTKEx00:22 a=yPCof4ZbAAAA:8 a=OVbOOJrrQZoyHe8WjAoA:9 a=CjuIK1q_8ugA:10 cc=ntf awl=host:12109 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTE2MDA3OCBTYWx0ZWRfXzQSlkzvf0nej TYaK/7Zi5AMx74hGC6nGFbDz3JqaqSwJFs1nAtoZRKnWTYxiWmfsEw4NCmQZR/sfDdr5svJJxHn cRfg9edHZcqnEwJeez8X5eEOR6JXZUpDAxcevZH2FxMncJD0wYpQfdSNb315d6n3Y+lHAJaKOg4 85xq9yOCaIpxvrLZL6ara0hvcd8s4lamPo+6gZSytrgib7nABOXoynXLCTYTxss5M8RnV5DSLda e0FLvzwlo35F+6UTru8Kg9Gf/q8ZkqRT9TyQZgC8H47mlapGmxjXSEfgbqyz8TNBajPl9WsPlOu 5SQaWpa9J88vef3oRhcFAQU4H0mV2x/9f/CLPUvx/xEBnB26yIKPsEZB2WS/GrKcREGjhvrhPfv 19N1OJXCRJ0CxdbxfTloKEKEHxCH0fLOqSL5hXbOeMSQBcO3zzZ3UnH5hWHjvcf+ICJHHUYSyvf YrCndNwEQunBus29+5thLmPh9Y2+Ma0jv1dN4NAc= X-Proofpoint-GUID: AsM0X9DL_hVmmmDDWz8q9Vmq51EAt9bZ On Fri, Jan 16, 2026 at 10:27:48AM +0000, Lorenzo Stoakes wrote: [snip] > diff --git a/include/linux/mmap_lock.h b/include/linux/mmap_lock.h > index cd51e0a43c76..d87a07608295 100644 > --- a/include/linux/mmap_lock.h > +++ b/include/linux/mmap_lock.h [snip] > +/** > + * vma_assert_stabilised() - assert that this VMA cannot be changed from > + * underneath us either by having a VMA or mmap lock held. > + * @vma: The VMA whose stability we wish to assess. > + * > + * Note that this will only trigger an assert if CONFIG_DEBUG_VM is set. > + */ > +static inline void vma_assert_stabilised(struct vm_area_struct *vma) > { > - return rwsem_is_contended(&mm->mmap_lock); > + VM_BUG_ON_VMA(vma_is_stabilised(vma), vma); OK not had enough coffee this morning :)) Obviously should be !vma_is_stabilised(vma). Andrew - could you apply the fix-patch below or just fix up my mistake inline? Thanks! Cheers, Lorenzo >From c95bba4f23981584b105e0e8c1d3ce763cc619e0 Mon Sep 17 00:00:00 2001 From: Lorenzo Stoakes Date: Fri, 16 Jan 2026 10:30:11 +0000 Subject: [PATCH] fix Signed-off-by: Lorenzo Stoakes --- include/linux/mmap_lock.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/mmap_lock.h b/include/linux/mmap_lock.h index d87a07608295..cb18bfa3ae27 100644 --- a/include/linux/mmap_lock.h +++ b/include/linux/mmap_lock.h @@ -473,7 +473,7 @@ static inline void mmap_read_unlock_non_owner(struct mm_struct *mm) */ static inline void vma_assert_stabilised(struct vm_area_struct *vma) { - VM_BUG_ON_VMA(vma_is_stabilised(vma), vma); + VM_BUG_ON_VMA(!vma_is_stabilised(vma), vma); } #endif /* _LINUX_MMAP_LOCK_H */ -- 2.52.0