tree: git://git.linux-nfs.org/projects/trondmy/linux-nfs.git devel
head: 5aa86f21b8166d55aa4cf8c30130743c686abc6d
commit: d0aeb64e7d5478dbab86933278fdf3d0f1082b8c [83/89] NFSD: Make DRC memory limits work with dynamic slot allocation
config: make ARCH=m68k allmodconfig
All warnings:
fs/nfsd/nfssvc.c: In function 'set_max_drc':
fs/nfsd/nfssvc.c:306:2: warning: format '%u' expects argument of type 'unsigned int', but argument 3 has type 'long unsigned int' [-Wformat]
vim +306 fs/nfsd/nfssvc.c
c3d06f9c Andy Adamson 2009-04-03 290 * NFSv4.1 server might want to use more memory for a DRC than a machine
c3d06f9c Andy Adamson 2009-04-03 291 * with mutiple services.
c3d06f9c Andy Adamson 2009-04-03 292 *
c3d06f9c Andy Adamson 2009-04-03 293 * Impose a hard limit on the number of pages for the DRC which varies
c3d06f9c Andy Adamson 2009-04-03 294 * according to the machines free pages. This is of course only a default.
c3d06f9c Andy Adamson 2009-04-03 295 *
c3d06f9c Andy Adamson 2009-04-03 296 * For now this is a #defined shift which could be under admin control
c3d06f9c Andy Adamson 2009-04-03 297 * in the future.
c3d06f9c Andy Adamson 2009-04-03 298 */
c3d06f9c Andy Adamson 2009-04-03 299 static void set_max_drc(void)
c3d06f9c Andy Adamson 2009-04-03 300 {
6a14dd1a Andy Adamson 2009-07-27 301 #define NFSD_DRC_SIZE_SHIFT 10
0c193054 Andy Adamson 2009-07-27 302 nfsd_drc_max_mem = (nr_free_buffer_pages()
0c193054 Andy Adamson 2009-07-27 303 >> NFSD_DRC_SIZE_SHIFT) * PAGE_SIZE;
0c193054 Andy Adamson 2009-07-27 304 nfsd_drc_mem_used = 0;
4bd9b0f4 Andy Adamson 2009-06-24 305 spin_lock_init(&nfsd_drc_lock);
0c193054 Andy Adamson 2009-07-27 @306 dprintk("%s nfsd_drc_max_mem %u \n", __func__, nfsd_drc_max_mem);
c3d06f9c Andy Adamson 2009-04-03 307 }
bedbdd8b Neil Brown 2008-06-10 308
87b0fc7d J. Bruce Fields 2012-01-30 309 static int nfsd_get_default_max_blksize(void)
02a375f0 NeilBrown 2006-10-02 310 {
87b0fc7d J. Bruce Fields 2012-01-30 311 struct sysinfo i;
87b0fc7d J. Bruce Fields 2012-01-30 312 unsigned long long target;
87b0fc7d J. Bruce Fields 2012-01-30 313 unsigned long ret;
bedbdd8b Neil Brown 2008-06-10 314
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0-DAY kernel build testing backend Open Source Technology Center
Fengguang Wu, Yuanhan Liu Intel Corporation
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