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PXc7N+eTAo0X0BGHr3r/JAllUQTPkHknZSePd+IugWZnohen3SHX8YSEcxBq41RCTaOrwT+7C0xyQsHiCNKT8CH757LQGNCxi7opA0OjQlsdOWKmuQsq2CGPTTh1nrHjq774X9RWVnUVCLSdGlqYIFD7wwFk5aE6iOEio71HeEcU8/doWQa4yRleUb1vPWJ6WvsZrDRnUpa+5xETSsnl/beZeYwG2wlS9OXUEmKlm80B0eSq48i42viLtS70xCwGFGRkSH2mcvMCHa6s7RpHaPdR/7IzJuFBzCbanbC0IsnjaIAxv8unpgVNW5uKw94N21xdiPhUvfvtsC5fpv97QjEjBcv+S05HRvM4J7mP/Ru5uHsEaAs1puy7jquiBgIzZs8k82HOKoxW3IWlGG8U7JMcG1llw9V0IcT0sktXgOGqMjATmAeUiNDX8akkZutuKJUO3wzGrJEeM3L3HbJA5G7CUY/5CSRhTl2tu Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 5/13/26 18:25, Hao Ge wrote: > Coccinelle scripts/coccinelle/api/kfree_mismatch.cocci reports > the following warnings: > > lib/test_hmm.c:1256:15-16: WARNING kvmalloc is used to allocate this memory at line 1191 > lib/test_hmm.c:1257:15-16: WARNING kvmalloc is used to allocate this memory at line 1196 > > Fix this by replacing kfree() with kvfree() to correctly handle the > vmalloc() fallback path of kvcalloc(). > > Fixes: 775465fd26a3 ("lib/test_hmm: add zone device private THP test infrastructure") > Signed-off-by: Hao Ge > --- > lib/test_hmm.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/lib/test_hmm.c b/lib/test_hmm.c > index 213504915737..38996c4baa40 100644 > --- a/lib/test_hmm.c > +++ b/lib/test_hmm.c > @@ -1253,8 +1253,8 @@ static int dmirror_migrate_to_device(struct dmirror *dmirror, > mmap_read_unlock(mm); > mmput(mm); > free_mem: > - kfree(src_pfns); > - kfree(dst_pfns); > + kvfree(src_pfns); > + kvfree(dst_pfns); > return ret; > } > Yep. makes sense! Acked-by: Balbir Singh Thanks! Balbir