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[PATCH] annotate some variables in vesafb driver as __read_mostly

- annotate some variables in vesafb driver as __read_mostly

Signed-off-by: Helge Deller <deller@gmx.de>
Acked-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Helge Deller 18 年之前
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4670358a7b
共有 1 个文件被更改,包括 11 次插入11 次删除
  1. 11 11
      drivers/video/vesafb.c

+ 11 - 11
drivers/video/vesafb.c

@@ -47,17 +47,16 @@ static struct fb_fix_screeninfo vesafb_fix __initdata = {
 	.accel	= FB_ACCEL_NONE,
 };
 
-static int             inverse   = 0;
-static int             mtrr      = 0; /* disable mtrr */
-static int	       vram_remap __initdata = 0; /* Set amount of memory to be used */
-static int	       vram_total __initdata = 0; /* Set total amount of memory */
-static int             pmi_setpal = 1;	/* pmi for palette changes ??? */
-static int             ypan       = 0;  /* 0..nothing, 1..ypan, 2..ywrap */
-static unsigned short  *pmi_base  = NULL;
-static void            (*pmi_start)(void);
-static void            (*pmi_pal)(void);
-static int             depth;
-static int             vga_compat;
+static int   inverse    __read_mostly;
+static int   mtrr       __read_mostly;		/* disable mtrr */
+static int   vram_remap __initdata;		/* Set amount of memory to be used */
+static int   vram_total __initdata;		/* Set total amount of memory */
+static int   pmi_setpal __read_mostly = 1;	/* pmi for palette changes ??? */
+static int   ypan       __read_mostly;		/* 0..nothing, 1..ypan, 2..ywrap */
+static void  (*pmi_start)(void) __read_mostly;
+static void  (*pmi_pal)  (void) __read_mostly;
+static int   depth      __read_mostly;
+static int   vga_compat __read_mostly;
 /* --------------------------------------------------------------------- */
 
 static int vesafb_pan_display(struct fb_var_screeninfo *var,
@@ -312,6 +311,7 @@ static int __init vesafb_probe(struct platform_device *dev)
 		ypan = pmi_setpal = 0; /* not available or some DOS TSR ... */
 
 	if (ypan || pmi_setpal) {
+		unsigned short *pmi_base;
 		pmi_base  = (unsigned short*)phys_to_virt(((unsigned long)screen_info.vesapm_seg << 4) + screen_info.vesapm_off);
 		pmi_start = (void*)((char*)pmi_base + pmi_base[1]);
 		pmi_pal   = (void*)((char*)pmi_base + pmi_base[2]);