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Patch from Krzysztof Blaszkowski with some cleanups:

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I realized yesterday that the fix missed one rare case 
still. if the hiwmk_check() returned with error and no_fail override was set 
then the counter would still cross 0 on free.



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@677 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Vladislav Bolkhovitin
2009-02-19 19:06:13 +00:00
parent 3499e33e6b
commit 0cf7566b93
1 changed files with 8 additions and 2 deletions
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10
scst/src/scst_mem.c
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@@ -899,7 +899,14 @@ struct scatterlist *scst_alloc(int size, gfp_t gfp_mask, int *count)
if (!no_fail) { if (!no_fail) {
res = NULL; res = NULL;
goto out; goto out;
} } else {
/*
* Update active_pages_total since alloc can't fail.
* If it wasn't updated then the counter would cross 0
* on free again.
*/
sgv_pool_hiwmk_uncheck(-pages);
}
} }
res = kmalloc(pages*sizeof(*res), gfp_mask); res = kmalloc(pages*sizeof(*res), gfp_mask);
@@ -1007,7 +1014,6 @@ int sgv_pool_init(struct sgv_pool *pool, const char *name,
sizeof(obj->trans_tbl[0]) : 0)); sizeof(obj->trans_tbl[0]) : 0));
} else { } else {
size = sizeof(*obj); size = sizeof(*obj);
/* both sgv and ttbl are kallocated() */ /* both sgv and ttbl are kallocated() */
} }