Displaying 2 results from an estimated 2 matches for "a834b6".
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1834,6
2005 Nov 22
2
RE: __ia64__ ifdef in xmalloc.c: "Fix ar.unat handling forfast paths"
>From: Rusty Russell
>Sent: 2005年11月21日 12:53
>Hi all,
>
> While browsing the code, I noticed this in xmalloc.c:
>
>#ifndef __ia64__
> BUG_ON(align > SMP_CACHE_BYTES);
>#endif
>
> This is clearly wrong: due to header alignment we cannot give you a
>greater alignment than SMP_CACHE_BYTES. Overriding this will cause the
>allocation to succeed, but not
2005 Nov 23
0
RE: __ia64__ ifdef in xmalloc.c: "Fix ar.unat handling forfast paths"
...ly be ignored by the compiler.
Understand. ;-)
>
>How much is this trick saving us? Static size of data area in
>vmlinux doesn''t change very much as SMP_CACHE_BYTES is varied:
>
> text data bss dec hex filename
>8677481 1139704 1206357 11023542 a834b6 vmlinux-8
>8677417 1141808 1206397 11025622 a83cd6 vmlinux-16
>8677417 1146000 1206477 11029894 a84d86 vmlinux-32
>8677353 1146256 1206573 11030182 a84ea6 vmlinux-64
>8677353 1163152 1207085 11047590 a892a6 vmlinux-128
>
>I''m not sure how t...