Re: [PATCH] mm: readahead: do not cap readahead() and MADV_WILLNEED
From: Kirill A. Shutemov <hidden>
Date: 2016-02-29 21:03:44
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On Mon, Feb 29, 2016 at 02:41:59PM -0500, Johannes Weiner wrote:
That, or switch to read() from a separate thread for cache priming.
mmap(MAP_POPULATE) would save you some copy_to_user() overhead, comparing to read(). -- Kirill A. Shutemov -- 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>