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| author | glebius <glebius@FreeBSD.org> | 2013-04-08 19:19:10 +0000 |
|---|---|---|
| committer | glebius <glebius@FreeBSD.org> | 2013-04-08 19:19:10 +0000 |
| commit | 8c6eba117e357de0d074eaba6b730cc2261cd9e0 (patch) | |
| tree | 417e1a1bd53ca195c061caab891a3d8d940beb2b /sys/amd64 | |
| parent | 7f9db020a246190e72c9b9656997403221c48a3a (diff) | |
| download | FreeBSD-src-8c6eba117e357de0d074eaba6b730cc2261cd9e0.zip FreeBSD-src-8c6eba117e357de0d074eaba6b730cc2261cd9e0.tar.gz | |
Merge from projects/counters:
Pad struct pcpu so that its size is denominator of PAGE_SIZE. This
is done to reduce memory waste in UMA_PCPU_ZONE zones.
Sponsored by: Nginx, Inc.
Diffstat (limited to 'sys/amd64')
| -rw-r--r-- | sys/amd64/include/pcpu.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/amd64/include/pcpu.h b/sys/amd64/include/pcpu.h index 2188442..bb7d339 100644 --- a/sys/amd64/include/pcpu.h +++ b/sys/amd64/include/pcpu.h @@ -77,7 +77,9 @@ /* Pointer to the CPU TSS descriptor */ \ struct system_segment_descriptor *pc_tss; \ u_int pc_cmci_mask /* MCx banks for CMCI */ \ - PCPU_XEN_FIELDS + PCPU_XEN_FIELDS; \ + char __pad[293] /* be divisor of PAGE_SIZE \ + after cache alignment */ #ifdef _KERNEL |
