#include <linux/gfp.h>
#include <linux/highmem.h>
#include <linux/kernel.h>
-#include <linux/kmsan-checks.h>
#include <linux/mmdebug.h>
#include <linux/mm_types.h>
#include <linux/mm_inline.h>
static void __tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm,
bool fullmm)
{
- /*
- * struct mmu_gather contains 7 1-bit fields packed into a 32-bit
- * unsigned int value. The remaining 25 bits remain uninitialized
- * and are never used, but KMSAN updates the origin for them in
- * zap_pXX_range() in mm/memory.c, thus creating very long origin
- * chains. This is technically correct, but consumes too much memory.
- * Unpoisoning the whole structure will prevent creating such chains.
- */
- kmsan_unpoison_memory(tlb, sizeof(*tlb));
tlb->mm = mm;
tlb->fullmm = fullmm;