-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 06/30/2014 08:36 PM, Minchan Kim wrote: > Linux doesn't have an ability to free pages lazy while other OS > already have been supported that named by madvise(MADV_FREE). > > The gain is clear that kernel can discard freed pages rather than > swapping out or OOM if memory pressure happens. > > Without memory pressure, freed pages would be reused by userspace > without another additional overhead(ex, page fault + allocation + > zeroing).
> Cc: Michael Kerrisk <[email protected]> Cc: Linux API > <[email protected]> Cc: Hugh Dickins <[email protected]> Cc: > Johannes Weiner <[email protected]> Cc: Rik van Riel > <[email protected]> Cc: KOSAKI Motohiro > <[email protected]> Cc: Mel Gorman <[email protected]> > Cc: Jason Evans <[email protected]> Cc: Zhang Yanfei > <[email protected]> Signed-off-by: Minchan Kim > <[email protected]> Acked-by: Rik van Riel <[email protected]> - -- All rights reversed -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQEcBAEBAgAGBQJTssKpAAoJEM553pKExN6DspUH/3fdn95zVIA6GGfmFG/g05Fm SYv82v0ee2gGM7yRGeVkFSVuj5qYCneyJeprERHBs43huafqqnWd9MMcZxxskNk7 MpyVmRsCh54qC2Y6Rqu5E15jEKjCcxss1vCbHp0ExtZHnfU29re+JB0oRE9IKszW p2r6rsolHtNY4otTAQ6pAtA6ioH1E0xppK5mpqHAUpFJuq3PqXbSsptFdl6AJciw 25zBB6iOdVgpciYwkn7yBvaZiY+sRuiRFSAH0klQVHlX0ZueIXYnJtybVhHSqGs/ Nu1/zhrRrohOcj0Ka6cTJBBH2RyXTmgcurfTUlI4IZzcDqJWtuXjXBty0wkhIZQ= =RjYx -----END PGP SIGNATURE----- -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
