add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/char/agp/frontend.c
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@@ -39,7 +39,6 @@
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 #include <linux/fs.h>
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 #include <linux/sched.h>
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 #include <linux/uaccess.h>
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-#include <asm/pgtable.h>
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 #include "agp.h"
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 struct agp_front_data agp_fe;
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@@ -102,14 +101,13 @@
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 					    int size, pgprot_t page_prot)
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 {
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 	struct agp_segment_priv *seg;
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-	int num_segments, i;
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+	int i;
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 	off_t pg_start;
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 	size_t pg_count;
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 	pg_start = offset / 4096;
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 	pg_count = size / 4096;
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 	seg = *(client->segments);
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-	num_segments = client->num_segments;
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 	for (i = 0; i < client->num_segments; i++) {
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 		if ((seg[i].pg_start == pg_start) &&