version 1.200, 2013/03/11 21:37:54 |
version 1.200.6.1, 2014/05/18 17:46:07 |
Line 67 __KERNEL_RCSID(0, "$NetBSD$"); |
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Line 67 __KERNEL_RCSID(0, "$NetBSD$"); |
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* an internal pool of page headers (`phpool'). |
* an internal pool of page headers (`phpool'). |
*/ |
*/ |
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/* List of all pools */ |
/* List of all pools. Non static as needed by 'vmstat -i' */ |
static TAILQ_HEAD(, pool) pool_head = TAILQ_HEAD_INITIALIZER(pool_head); |
TAILQ_HEAD(, pool) pool_head = TAILQ_HEAD_INITIALIZER(pool_head); |
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/* Private pool for page header structures */ |
/* Private pool for page header structures */ |
#define PHPOOL_MAX 8 |
#define PHPOOL_MAX 8 |
Line 561 pool_init(struct pool *pp, size_t size, |
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Line 561 pool_init(struct pool *pp, size_t size, |
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/* See the comment below about reserved bytes. */ |
/* See the comment below about reserved bytes. */ |
trysize = palloc->pa_pagesz - ((align - ioff) % align); |
trysize = palloc->pa_pagesz - ((align - ioff) % align); |
phsize = ALIGN(sizeof(struct pool_item_header)); |
phsize = ALIGN(sizeof(struct pool_item_header)); |
if ((pp->pr_roflags & (PR_NOTOUCH | PR_NOALIGN)) == 0 && |
if (pp->pr_roflags & PR_PHINPAGE || |
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((pp->pr_roflags & (PR_NOTOUCH | PR_NOALIGN)) == 0 && |
(pp->pr_size < MIN(palloc->pa_pagesz / 16, phsize << 3) || |
(pp->pr_size < MIN(palloc->pa_pagesz / 16, phsize << 3) || |
trysize / pp->pr_size == (trysize - phsize) / pp->pr_size)) { |
trysize / pp->pr_size == (trysize - phsize) / pp->pr_size))) { |
/* Use the end of the page for the page header */ |
/* Use the end of the page for the page header */ |
pp->pr_roflags |= PR_PHINPAGE; |
pp->pr_roflags |= PR_PHINPAGE; |
pp->pr_phoffset = off = palloc->pa_pagesz - phsize; |
pp->pr_phoffset = off = palloc->pa_pagesz - phsize; |