Re: [PATCH 3/3] mm, thp: make swapin readahead under down_read of mmap_sem
From: Michal Hocko <mhocko@kernel.org>
Date: 2016-05-23 18:42:51
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On Mon 23-05-16 20:14:11, Ebru Akagunduz wrote:
Currently khugepaged makes swapin readahead under down_write. This patch supplies to make swapin readahead under down_read instead of down_write.
You are still keeping down_write. Can we do without it altogether? Blocking mmap_sem of a remote proces for write is certainly not nice. -- Michal Hocko SUSE Labs -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>