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Cleanup

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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@570 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Vladislav Bolkhovitin
2008-11-13 16:14:06 +00:00
parent b0c6d9a561
commit caa419d49d
2 changed files with 17 additions and 2 deletions
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12
scst/src/scst_lib.c
View File

@@ -1758,14 +1758,22 @@ void scst_copy_sg(struct scst_cmd *cmd, enum scst_sg_copy_dir copy_dir)
do {
unsigned int n;
/*
* Himem pages are not allowed here, see the
* corresponding #warning in scst_main.c. Correct
* your target driver or dev handler to not alloc
* such pages!
*/
EXTRACHECKS_BUG_ON(PageHighMem(dst) ||
PageHighMem(src));
TRACE_MEM("cmd %p, to_copy %d, src %p, src_len %d, "
"src_offs %d, dst %p, dst_len %d, dst_offs %d",
cmd, to_copy, src, src_len, src_offs, dst,
dst_len, dst_offs);
if ((src_offs == 0) && (dst_offs == 0) &&
(src_len >= PAGE_SIZE) && (dst_len >= PAGE_SIZE) &&
!PageHighMem(dst) && !PageHighMem(src)) {
(src_len >= PAGE_SIZE) && (dst_len >= PAGE_SIZE)) {
copy_page(page_address(dst), page_address(src));
n = PAGE_SIZE;
} else {

7
scst_local/scst_local.c
View File

@@ -43,6 +43,13 @@
#include <scst_debug.h>
#if defined(CONFIG_HIGHMEM4G) || defined(CONFIG_HIGHMEM64G)
#warning "HIGHMEM kernel configurations are not supported by this module, \
because nowadays it doesn't worth the effort. Consider change \
VMSPLIT option or use 64-bit configuration instead. See SCST core \
README file for details."
#endif
#ifdef CONFIG_SCST_DEBUG
#define SCST_LOCAL_DEFAULT_LOG_FLAGS (TRACE_FUNCTION | TRACE_PID | \
TRACE_OUT_OF_MEM | TRACE_MGMT | TRACE_MGMT_MINOR | \