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On Mon, 18 Jun 2007, Pekka Enberg wrote: > On 6/18/07, Pekka Enberg <penberg@cs.helsinki.fi> wrote: > > Hmm, did you check kernel text size before and after this change? > > Setting the __GFP_ZERO flag at every kzalloc call-site seems like a > > bad idea. > > Aah but most call-sites, of course, use constants such as GFP_KERNEL > only which should be folded nicely by the compiler. So this probably > doesn't have much impact. Would be nice if you'd check, though. IA64 Before: text data bss dec hex filename 10486815 4128471 3686044 18301330 1174192 vmlinux After: text data bss dec hex filename 10486335 4128439 3686044 18300818 1173f92 vmlinux Saved ~500 bytes in text size. x86_64: Before: text data bss dec hex filename 3823932 333840 220484 4378256 42ce90 vmlinux After text data bss dec hex filename 3823716 333840 220484 4378040 42cdb8 vmlinux 200 bytes saved. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||
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