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Patch from Krzysztof Blaszkowski:

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i noticed this issue running simple iscsi connection test to a few targets.
without included patch the active_pages_total counter wraps around 0 thus it 
breaks logic for releasing memory on "hi watermark" just like it is depicted 
in:

Inactive/active pages                      18/-25
Hi/lo watermarks [pages]                   119808/0
Hi watermark releases/failures             4/0



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@676 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Vladislav Bolkhovitin
2009-02-18 19:17:29 +00:00
parent e8b67bb755
commit 3499e33e6b
1 changed files with 3 additions and 3 deletions
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6
scst/src/scst_mem.c
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@@ -895,8 +895,8 @@ struct scatterlist *scst_alloc(int size, gfp_t gfp_mask, int *count)
atomic_inc(&sgv_pools_mgr.sgv_other_total_alloc);
if (unlikely(!no_fail)) {
if (unlikely(sgv_pool_hiwmk_check(pages) != 0)) {
if (unlikely(sgv_pool_hiwmk_check(pages) != 0)) {
if (!no_fail) {
res = NULL;
goto out;
}
@@ -922,7 +922,7 @@ struct scatterlist *scst_alloc(int size, gfp_t gfp_mask, int *count)
goto out_free;
out:
TRACE_MEM("Alloced sg %p (count %d)", res, *count);
TRACE_MEM("Alloced sg %p (count %d) \"no fail\" %d", res, *count, no_fail);
TRACE_EXIT_HRES(res);
return res;