On 2026/3/3 10:03, Jiucheng Xu wrote:
...
that need to use GFP_NOIO.
Yes, it should make vm_map_ram() in the end_io path use
GFP_NOIO instead.
Jiucheng, could you add memalloc_noio_{save,restore}() to
wrap up this path?
Thanks for Christoph's and Xiang's comments, I will try it. Thanks!
Just one more note: just wrap up z_erofs_decompressqueue_work() in
z_erofs_decompress_kickoff() with memalloc_noio_{save,restore}() is
enough.
...
memalloc_noio_save()
z_erofs_decompressqueue_work()
memalloc_noio_restore()
Best Regards,
Jiucheng
