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Define needfree

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This commit is contained in:
Brian Behlendorf 2008-12-23 15:59:36 -08:00
parent 2b88beb74f
commit bb9cfc6cc3
1 changed files with 1 additions and 4 deletions
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5
include/sys/vmsystm.h
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@ -38,6 +38,7 @@ extern vmem_t *zio_alloc_arena; /* arena for zio caches */
#define freemem nr_free_pages() // Expensive on linux,
// cheap on solaris
#define minfree 0
#define needfree 0 /* # of needed pages */
#define ptob(pages) (pages * PAGE_SIZE)
#define membar_producer() smp_wmb()
@ -93,10 +94,6 @@ copyinstr(const void *from, void *to, size_t len, size_t *done)
* processes but not yet allocated */
#define deficit 0
/* A guess as to how many page are needed to satisfy
* stalled page creation requests */
#define needfree 0
/* A bootlean the controls the setting of deficit */
#define desperate