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| author | glebius <glebius@FreeBSD.org> | 2013-09-06 05:37:49 +0000 |
|---|---|---|
| committer | glebius <glebius@FreeBSD.org> | 2013-09-06 05:37:49 +0000 |
| commit | 358d3d145a0923158cfe4823195e4c60f4e37249 (patch) | |
| tree | 95660228ea128a00ac5ae55cbb3e3b550d776d01 /sys/mips | |
| parent | 5110b054b22685516ac8b828fb0e43187ce8a532 (diff) | |
| download | FreeBSD-src-358d3d145a0923158cfe4823195e4c60f4e37249.zip FreeBSD-src-358d3d145a0923158cfe4823195e4c60f4e37249.tar.gz | |
On those machines, where sf_bufs do not represent any real object, make
sf_buf_alloc()/sf_buf_free() inlines, to save two calls to an absolutely
empty functions.
Reviewed by: alc, kib, scottl
Sponsored by: Nginx, Inc.
Sponsored by: Netflix
Diffstat (limited to 'sys/mips')
| -rw-r--r-- | sys/mips/include/sf_buf.h | 12 | ||||
| -rw-r--r-- | sys/mips/mips/vm_machdep.c | 10 |
2 files changed, 15 insertions, 7 deletions
diff --git a/sys/mips/include/sf_buf.h b/sys/mips/include/sf_buf.h index b9efaf0..00502a0 100644 --- a/sys/mips/include/sf_buf.h +++ b/sys/mips/include/sf_buf.h @@ -41,6 +41,18 @@ /* In 64 bit the whole memory is directly mapped */ struct sf_buf; +static inline struct sf_buf * +sf_buf_alloc(struct vm_page *m, int pri) +{ + + return ((struct sf_buf *)m); +} + +static inline void +sf_buf_free(struct sf_buf *sf) +{ +} + static __inline vm_offset_t sf_buf_kva(struct sf_buf *sf) { diff --git a/sys/mips/mips/vm_machdep.c b/sys/mips/mips/vm_machdep.c index 86dfde9..c42f640 100644 --- a/sys/mips/mips/vm_machdep.c +++ b/sys/mips/mips/vm_machdep.c @@ -76,7 +76,9 @@ __FBSDID("$FreeBSD$"); #include <sys/user.h> #include <sys/mbuf.h> +#ifndef __mips_n64 #include <sys/sf_buf.h> +#endif #ifndef NSFBUFS #define NSFBUFS (512 + maxusers * 16) @@ -523,7 +525,6 @@ sf_buf_init(void *arg) } sf_buf_alloc_want = 0; } -#endif /* * Get an sf_buf from the freelist. Will block if none are available. @@ -531,7 +532,6 @@ sf_buf_init(void *arg) struct sf_buf * sf_buf_alloc(struct vm_page *m, int flags) { -#ifndef __mips_n64 struct sf_buf *sf; int error; @@ -560,9 +560,6 @@ sf_buf_alloc(struct vm_page *m, int flags) } mtx_unlock(&sf_freelist.sf_lock); return (sf); -#else - return ((struct sf_buf *)m); -#endif } /* @@ -571,7 +568,6 @@ sf_buf_alloc(struct vm_page *m, int flags) void sf_buf_free(struct sf_buf *sf) { -#ifndef __mips_n64 pmap_qremove(sf->kva, 1); mtx_lock(&sf_freelist.sf_lock); SLIST_INSERT_HEAD(&sf_freelist.sf_head, sf, free_list); @@ -579,8 +575,8 @@ sf_buf_free(struct sf_buf *sf) if (sf_buf_alloc_want > 0) wakeup(&sf_freelist); mtx_unlock(&sf_freelist.sf_lock); -#endif } +#endif /* !__mips_n64 */ /* * Software interrupt handler for queued VM system processing. |
