4bc84cd539
Patch series "kho: fixes for vmalloc restoration".
Pratyush reported off-list that when kho_restore_vmalloc() is used to
restore a vmalloc_huge() allocation it hits VM_BUG_ON() when we
reconstruct the struct pages in kho_restore_pages().
These patches fix the issue.
This patch (of 2):
In case a preserved vmalloc allocation was using huge pages, all pages in
the array of pages added to vm_struct during kho_restore_vmalloc() are
wrongly set to the same page.
Fix the indexing when assigning pages to that array.
Link: https://lkml.kernel.org/r/20251125110917.843744-1-rppt@kernel.org
Link: https://lkml.kernel.org/r/20251125110917.843744-2-rppt@kernel.org
Fixes:
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|---|---|---|
| .. | ||
| Kconfig | ||
| Makefile | ||
| kexec_handover.c | ||
| kexec_handover_debug.c | ||
| kexec_handover_debugfs.c | ||
| kexec_handover_internal.h | ||
| luo_core.c | ||
| luo_file.c | ||
| luo_internal.h | ||
| luo_session.c | ||